18973500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 68490240

約数和(自身を除く): 49516740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 139, 140, 150, 156, 175, 182, 195, 210, 250, 260, 273, 278, 300, 325, 350, 364, 375, 390, 417, 420, 455, 500, 525, 546, 556, 650, 695, 700, 750, 780, 834, 875, 910, 973, 975, 1050, 1092, 1300, 1365, 1390, 1500, 1625, 1668, 1750, 1807, 1820, 1946, 1950, 2085, 2100, 2275, 2625, 2730, 2780, 2919, 3250, 3475, 3500, 3614, 3892, 3900, 4170, 4550, 4865, 4875, 5250, 5421, 5460, 5838, 6500, 6825, 6950, 7228, 8340, 9035, 9100, 9730, 9750, 10425, 10500, 10842, 11375, 11676, 12649, 13650, 13900, 14595, 17375, 18070, 19460, 19500, 20850, 21684, 22750, 24325, 25298, 27105, 27300, 29190, 34125, 34750, 36140, 37947, 41700, 45175, 45500, 48650, 50596, 52125, 54210, 58380, 63245, 68250, 69500, 72975, 75894, 90350, 97300, 104250, 108420, 121625, 126490, 135525, 136500, 145950, 151788, 180700, 189735, 208500, 225875, 243250, 252980, 271050, 291900, 316225, 364875, 379470, 451750, 486500, 542100, 632450, 677625, 729750, 758940, 903500, 948675, 1264900, 1355250, 1459500, 1581125, 1897350, 2710500, 3162250, 3794700, 4743375, 6324500, 9486750, 18973500]

約数ペア:

[(1, 18973500), (2, 9486750), (3, 6324500), (4, 4743375), (5, 3794700), (6, 3162250), (7, 2710500), (10, 1897350), (12, 1581125), (13, 1459500), (14, 1355250), (15, 1264900), (20, 948675), (21, 903500), (25, 758940), (26, 729750), (28, 677625), (30, 632450), (35, 542100), (39, 486500), (42, 451750), (50, 379470), (52, 364875), (60, 316225), (65, 291900), (70, 271050), (75, 252980), (78, 243250), (84, 225875), (91, 208500), (100, 189735), (105, 180700), (125, 151788), (130, 145950), (139, 136500), (140, 135525), (150, 126490), (156, 121625), (175, 108420), (182, 104250), (195, 97300), (210, 90350), (250, 75894), (260, 72975), (273, 69500), (278, 68250), (300, 63245), (325, 58380), (350, 54210), (364, 52125), (375, 50596), (390, 48650), (417, 45500), (420, 45175), (455, 41700), (500, 37947), (525, 36140), (546, 34750), (556, 34125), (650, 29190), (695, 27300), (700, 27105), (750, 25298), (780, 24325), (834, 22750), (875, 21684), (910, 20850), (973, 19500), (975, 19460), (1050, 18070), (1092, 17375), (1300, 14595), (1365, 13900), (1390, 13650), (1500, 12649), (1625, 11676), (1668, 11375), (1750, 10842), (1807, 10500), (1820, 10425), (1946, 9750), (1950, 9730), (2085, 9100), (2100, 9035), (2275, 8340), (2625, 7228), (2730, 6950), (2780, 6825), (2919, 6500), (3250, 5838), (3475, 5460), (3500, 5421), (3614, 5250), (3892, 4875), (3900, 4865), (4170, 4550)]