19405177415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{1621}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 26101691136

約数和(自身を除く): 6696513721

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 457, 845, 1621, 2015, 2285, 5239, 5941, 8105, 14167, 21073, 26195, 29705, 50251, 70835, 77233, 105365, 184171, 251255, 273949, 386165, 653263, 740797, 920855, 1369745, 2394223, 3266315, 3703985, 8492419, 9630361, 11971115, 22964707, 42462095, 48151805, 114823535, 125194693, 298541191, 625973465, 1492705955, 3881035483, 19405177415]

約数ペア:

[(1, 19405177415), (5, 3881035483), (13, 1492705955), (31, 625973465), (65, 298541191), (155, 125194693), (169, 114823535), (403, 48151805), (457, 42462095), (845, 22964707), (1621, 11971115), (2015, 9630361), (2285, 8492419), (5239, 3703985), (5941, 3266315), (8105, 2394223), (14167, 1369745), (21073, 920855), (26195, 740797), (29705, 653263), (50251, 386165), (70835, 273949), (77233, 251255), (105365, 184171)]