19892700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 162

約数和(自身を含む): 67230072

約数和(自身を除く): 47337372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 31, 36, 45, 46, 50, 60, 62, 69, 75, 90, 92, 93, 100, 115, 124, 138, 150, 155, 180, 186, 207, 225, 230, 276, 279, 300, 310, 345, 372, 414, 450, 460, 465, 558, 575, 620, 690, 713, 775, 828, 900, 930, 961, 1035, 1116, 1150, 1380, 1395, 1426, 1550, 1725, 1860, 1922, 2070, 2139, 2300, 2325, 2790, 2852, 2883, 3100, 3450, 3565, 3844, 4140, 4278, 4650, 4805, 5175, 5580, 5766, 6417, 6900, 6975, 7130, 8556, 8649, 9300, 9610, 10350, 10695, 11532, 12834, 13950, 14260, 14415, 17298, 17825, 19220, 20700, 21390, 22103, 24025, 25668, 27900, 28830, 32085, 34596, 35650, 42780, 43245, 44206, 48050, 53475, 57660, 64170, 66309, 71300, 72075, 86490, 88412, 96100, 106950, 110515, 128340, 132618, 144150, 160425, 172980, 198927, 213900, 216225, 221030, 265236, 288300, 320850, 331545, 397854, 432450, 442060, 552575, 641700, 663090, 795708, 864900, 994635, 1105150, 1326180, 1657725, 1989270, 2210300, 3315450, 3978540, 4973175, 6630900, 9946350, 19892700]

約数ペア:

[(1, 19892700), (2, 9946350), (3, 6630900), (4, 4973175), (5, 3978540), (6, 3315450), (9, 2210300), (10, 1989270), (12, 1657725), (15, 1326180), (18, 1105150), (20, 994635), (23, 864900), (25, 795708), (30, 663090), (31, 641700), (36, 552575), (45, 442060), (46, 432450), (50, 397854), (60, 331545), (62, 320850), (69, 288300), (75, 265236), (90, 221030), (92, 216225), (93, 213900), (100, 198927), (115, 172980), (124, 160425), (138, 144150), (150, 132618), (155, 128340), (180, 110515), (186, 106950), (207, 96100), (225, 88412), (230, 86490), (276, 72075), (279, 71300), (300, 66309), (310, 64170), (345, 57660), (372, 53475), (414, 48050), (450, 44206), (460, 43245), (465, 42780), (558, 35650), (575, 34596), (620, 32085), (690, 28830), (713, 27900), (775, 25668), (828, 24025), (900, 22103), (930, 21390), (961, 20700), (1035, 19220), (1116, 17825), (1150, 17298), (1380, 14415), (1395, 14260), (1426, 13950), (1550, 12834), (1725, 11532), (1860, 10695), (1922, 10350), (2070, 9610), (2139, 9300), (2300, 8649), (2325, 8556), (2790, 7130), (2852, 6975), (2883, 6900), (3100, 6417), (3450, 5766), (3565, 5580), (3844, 5175), (4140, 4805), (4278, 4650)]