19641816

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 57564000

約数和(自身を除く): 37922184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 29, 36, 46, 58, 69, 72, 87, 92, 116, 138, 174, 184, 207, 232, 261, 276, 348, 409, 414, 522, 552, 667, 696, 818, 828, 1044, 1227, 1334, 1636, 1656, 2001, 2088, 2454, 2668, 3272, 3681, 4002, 4908, 5336, 6003, 7362, 8004, 9407, 9816, 11861, 12006, 14724, 16008, 18814, 23722, 24012, 28221, 29448, 35583, 37628, 47444, 48024, 56442, 71166, 75256, 84663, 94888, 106749, 112884, 142332, 169326, 213498, 225768, 272803, 284664, 338652, 426996, 545606, 677304, 818409, 853992, 1091212, 1636818, 2182424, 2455227, 3273636, 4910454, 6547272, 9820908, 19641816]

約数ペア:

[(1, 19641816), (2, 9820908), (3, 6547272), (4, 4910454), (6, 3273636), (8, 2455227), (9, 2182424), (12, 1636818), (18, 1091212), (23, 853992), (24, 818409), (29, 677304), (36, 545606), (46, 426996), (58, 338652), (69, 284664), (72, 272803), (87, 225768), (92, 213498), (116, 169326), (138, 142332), (174, 112884), (184, 106749), (207, 94888), (232, 84663), (261, 75256), (276, 71166), (348, 56442), (409, 48024), (414, 47444), (522, 37628), (552, 35583), (667, 29448), (696, 28221), (818, 24012), (828, 23722), (1044, 18814), (1227, 16008), (1334, 14724), (1636, 12006), (1656, 11861), (2001, 9816), (2088, 9407), (2454, 8004), (2668, 7362), (3272, 6003), (3681, 5336), (4002, 4908)]