18929820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3499

約数の個数: 96

約数和(自身を含む): 65253888

約数和(自身を除く): 46324068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3467, 5460, 6934, 10401, 13868, 17335, 20802, 24269, 34670, 41604, 45071, 48538, 52005, 69340, 72807, 90142, 97076, 104010, 121345, 135213, 145614, 180284, 208020, 225355, 242690, 270426, 291228, 315497, 364035, 450710, 485380, 540852, 630994, 676065, 728070, 901420, 946491, 1261988, 1352130, 1456140, 1577485, 1892982, 2704260, 3154970, 3785964, 4732455, 6309940, 9464910, 18929820]

約数ペア:

[(1, 18929820), (2, 9464910), (3, 6309940), (4, 4732455), (5, 3785964), (6, 3154970), (7, 2704260), (10, 1892982), (12, 1577485), (13, 1456140), (14, 1352130), (15, 1261988), (20, 946491), (21, 901420), (26, 728070), (28, 676065), (30, 630994), (35, 540852), (39, 485380), (42, 450710), (52, 364035), (60, 315497), (65, 291228), (70, 270426), (78, 242690), (84, 225355), (91, 208020), (105, 180284), (130, 145614), (140, 135213), (156, 121345), (182, 104010), (195, 97076), (210, 90142), (260, 72807), (273, 69340), (364, 52005), (390, 48538), (420, 45071), (455, 41604), (546, 34670), (780, 24269), (910, 20802), (1092, 17335), (1365, 13868), (1820, 10401), (2730, 6934), (3467, 5460)]