19161900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 44167380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 90, 94, 100, 108, 135, 141, 150, 151, 180, 188, 225, 235, 270, 282, 300, 302, 423, 450, 453, 470, 540, 564, 604, 675, 705, 755, 846, 900, 906, 940, 1175, 1269, 1350, 1359, 1410, 1510, 1692, 1812, 2115, 2265, 2350, 2538, 2700, 2718, 2820, 3020, 3525, 3775, 4077, 4230, 4530, 4700, 5076, 5436, 6345, 6795, 7050, 7097, 7550, 8154, 8460, 9060, 10575, 11325, 12690, 13590, 14100, 14194, 15100, 16308, 20385, 21150, 21291, 22650, 25380, 27180, 28388, 31725, 33975, 35485, 40770, 42300, 42582, 45300, 63450, 63873, 67950, 70970, 81540, 85164, 101925, 106455, 126900, 127746, 135900, 141940, 177425, 191619, 203850, 212910, 255492, 319365, 354850, 383238, 407700, 425820, 532275, 638730, 709700, 766476, 958095, 1064550, 1277460, 1596825, 1916190, 2129100, 3193650, 3832380, 4790475, 6387300, 9580950, 19161900]

約数ペア:

[(1, 19161900), (2, 9580950), (3, 6387300), (4, 4790475), (5, 3832380), (6, 3193650), (9, 2129100), (10, 1916190), (12, 1596825), (15, 1277460), (18, 1064550), (20, 958095), (25, 766476), (27, 709700), (30, 638730), (36, 532275), (45, 425820), (47, 407700), (50, 383238), (54, 354850), (60, 319365), (75, 255492), (90, 212910), (94, 203850), (100, 191619), (108, 177425), (135, 141940), (141, 135900), (150, 127746), (151, 126900), (180, 106455), (188, 101925), (225, 85164), (235, 81540), (270, 70970), (282, 67950), (300, 63873), (302, 63450), (423, 45300), (450, 42582), (453, 42300), (470, 40770), (540, 35485), (564, 33975), (604, 31725), (675, 28388), (705, 27180), (755, 25380), (846, 22650), (900, 21291), (906, 21150), (940, 20385), (1175, 16308), (1269, 15100), (1350, 14194), (1359, 14100), (1410, 13590), (1510, 12690), (1692, 11325), (1812, 10575), (2115, 9060), (2265, 8460), (2350, 8154), (2538, 7550), (2700, 7097), (2718, 7050), (2820, 6795), (3020, 6345), (3525, 5436), (3775, 5076), (4077, 4700), (4230, 4530)]