18219867354

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^2\times {\mathrm{221831}}^1$

素因数の和:221874

約数の個数: 72

約数和(自身を含む): 44330019552

約数和(自身を除く): 26110152198

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 243, 338, 351, 486, 507, 702, 1014, 1053, 1521, 2106, 3042, 3159, 4563, 6318, 9126, 13689, 27378, 41067, 82134, 221831, 443662, 665493, 1330986, 1996479, 2883803, 3992958, 5767606, 5989437, 8651409, 11978874, 17302818, 17968311, 25954227, 35936622, 37489439, 51908454, 53904933, 74978878, 77862681, 107809866, 112468317, 155725362, 224936634, 233588043, 337404951, 467176086, 674809902, 700764129, 1012214853, 1401528258, 2024429706, 3036644559, 6073289118, 9109933677, 18219867354]

約数ペア:

[(1, 18219867354), (2, 9109933677), (3, 6073289118), (6, 3036644559), (9, 2024429706), (13, 1401528258), (18, 1012214853), (26, 700764129), (27, 674809902), (39, 467176086), (54, 337404951), (78, 233588043), (81, 224936634), (117, 155725362), (162, 112468317), (169, 107809866), (234, 77862681), (243, 74978878), (338, 53904933), (351, 51908454), (486, 37489439), (507, 35936622), (702, 25954227), (1014, 17968311), (1053, 17302818), (1521, 11978874), (2106, 8651409), (3042, 5989437), (3159, 5767606), (4563, 3992958), (6318, 2883803), (9126, 1996479), (13689, 1330986), (27378, 665493), (41067, 443662), (82134, 221831)]