19007978710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{52391}}^1$

素因数の和:52549

約数の個数: 64

約数和(自身を含む): 40196818944

約数和(自身を除く): 21188840234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 73, 142, 146, 355, 365, 497, 511, 710, 730, 994, 1022, 2485, 2555, 4970, 5110, 5183, 10366, 25915, 36281, 51830, 52391, 72562, 104782, 181405, 261955, 362810, 366737, 523910, 733474, 1833685, 3667370, 3719761, 3824543, 7439522, 7649086, 18598805, 19122715, 26038327, 26771801, 37197610, 38245430, 52076654, 53543602, 130191635, 133859005, 260383270, 267718010, 271542553, 543085106, 1357712765, 1900797871, 2715425530, 3801595742, 9503989355, 19007978710]

約数ペア:

[(1, 19007978710), (2, 9503989355), (5, 3801595742), (7, 2715425530), (10, 1900797871), (14, 1357712765), (35, 543085106), (70, 271542553), (71, 267718010), (73, 260383270), (142, 133859005), (146, 130191635), (355, 53543602), (365, 52076654), (497, 38245430), (511, 37197610), (710, 26771801), (730, 26038327), (994, 19122715), (1022, 18598805), (2485, 7649086), (2555, 7439522), (4970, 3824543), (5110, 3719761), (5183, 3667370), (10366, 1833685), (25915, 733474), (36281, 523910), (51830, 366737), (52391, 362810), (72562, 261955), (104782, 181405)]