2019997122

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{123911}}^1$

素因数の和:123959

約数の個数: 64

約数和(自身を含む): 4996131840

約数和(自身を除く): 2976134718

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1482, 2717, 5434, 8151, 16302, 123911, 247822, 371733, 743466, 1363021, 1610843, 2354309, 2726042, 3221686, 4089063, 4708618, 4832529, 7062927, 8178126, 9665058, 14125854, 17719273, 25897399, 30606017, 35438546, 51794798, 53157819, 61212034, 77692197, 91818051, 106315638, 155384394, 183636102, 336666187, 673332374, 1009998561, 2019997122]

約数ペア:

[(1, 2019997122), (2, 1009998561), (3, 673332374), (6, 336666187), (11, 183636102), (13, 155384394), (19, 106315638), (22, 91818051), (26, 77692197), (33, 61212034), (38, 53157819), (39, 51794798), (57, 35438546), (66, 30606017), (78, 25897399), (114, 17719273), (143, 14125854), (209, 9665058), (247, 8178126), (286, 7062927), (418, 4832529), (429, 4708618), (494, 4089063), (627, 3221686), (741, 2726042), (858, 2354309), (1254, 1610843), (1482, 1363021), (2717, 743466), (5434, 371733), (8151, 247822), (16302, 123911)]