17896970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 40352256

約数和(自身を除く): 22455286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 277, 355, 455, 497, 554, 710, 910, 923, 994, 1385, 1846, 1939, 2485, 2770, 3601, 3878, 4615, 4970, 6461, 7202, 9230, 9695, 12922, 18005, 19390, 19667, 25207, 32305, 36010, 39334, 50414, 64610, 98335, 126035, 137669, 196670, 252070, 255671, 275338, 511342, 688345, 1278355, 1376690, 1789697, 2556710, 3579394, 8948485, 17896970]

約数ペア:

[(1, 17896970), (2, 8948485), (5, 3579394), (7, 2556710), (10, 1789697), (13, 1376690), (14, 1278355), (26, 688345), (35, 511342), (65, 275338), (70, 255671), (71, 252070), (91, 196670), (130, 137669), (142, 126035), (182, 98335), (277, 64610), (355, 50414), (455, 39334), (497, 36010), (554, 32305), (710, 25207), (910, 19667), (923, 19390), (994, 18005), (1385, 12922), (1846, 9695), (1939, 9230), (2485, 7202), (2770, 6461), (3601, 4970), (3878, 4615)]