18901390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1877}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 36508320

約数和(自身を除く): 17606930

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 1877, 2014, 3754, 5035, 9385, 10070, 18770, 35663, 71326, 99481, 178315, 198962, 356630, 497405, 994810, 1890139, 3780278, 9450695, 18901390]

約数ペア:

[(1, 18901390), (2, 9450695), (5, 3780278), (10, 1890139), (19, 994810), (38, 497405), (53, 356630), (95, 198962), (106, 178315), (190, 99481), (265, 71326), (530, 35663), (1007, 18770), (1877, 10070), (2014, 9385), (3754, 5035)]