19700190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 35651106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 307, 310, 345, 414, 465, 558, 614, 690, 713, 921, 930, 1035, 1395, 1426, 1535, 1842, 2070, 2139, 2763, 2790, 3070, 3565, 4278, 4605, 5526, 6417, 7061, 7130, 9210, 9517, 10695, 12834, 13815, 14122, 19034, 21183, 21390, 27630, 28551, 32085, 35305, 42366, 47585, 57102, 63549, 64170, 70610, 85653, 95170, 105915, 127098, 142755, 171306, 211830, 218891, 285510, 317745, 428265, 437782, 635490, 656673, 856530, 1094455, 1313346, 1970019, 2188910, 3283365, 3940038, 6566730, 9850095, 19700190]

約数ペア:

[(1, 19700190), (2, 9850095), (3, 6566730), (5, 3940038), (6, 3283365), (9, 2188910), (10, 1970019), (15, 1313346), (18, 1094455), (23, 856530), (30, 656673), (31, 635490), (45, 437782), (46, 428265), (62, 317745), (69, 285510), (90, 218891), (93, 211830), (115, 171306), (138, 142755), (155, 127098), (186, 105915), (207, 95170), (230, 85653), (279, 70610), (307, 64170), (310, 63549), (345, 57102), (414, 47585), (465, 42366), (558, 35305), (614, 32085), (690, 28551), (713, 27630), (921, 21390), (930, 21183), (1035, 19034), (1395, 14122), (1426, 13815), (1535, 12834), (1842, 10695), (2070, 9517), (2139, 9210), (2763, 7130), (2790, 7061), (3070, 6417), (3565, 5526), (4278, 4605)]