19858020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3669

約数の個数: 96

約数和(自身を含む): 68452608

約数和(自身を除く): 48594588

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, 3637, 5460, 7274, 10911, 14548, 18185, 21822, 25459, 36370, 43644, 47281, 50918, 54555, 72740, 76377, 94562, 101836, 109110, 127295, 141843, 152754, 189124, 218220, 236405, 254590, 283686, 305508, 330967, 381885, 472810, 509180, 567372, 661934, 709215, 763770, 945620, 992901, 1323868, 1418430, 1527540, 1654835, 1985802, 2836860, 3309670, 3971604, 4964505, 6619340, 9929010, 19858020]

約数ペア:

[(1, 19858020), (2, 9929010), (3, 6619340), (4, 4964505), (5, 3971604), (6, 3309670), (7, 2836860), (10, 1985802), (12, 1654835), (13, 1527540), (14, 1418430), (15, 1323868), (20, 992901), (21, 945620), (26, 763770), (28, 709215), (30, 661934), (35, 567372), (39, 509180), (42, 472810), (52, 381885), (60, 330967), (65, 305508), (70, 283686), (78, 254590), (84, 236405), (91, 218220), (105, 189124), (130, 152754), (140, 141843), (156, 127295), (182, 109110), (195, 101836), (210, 94562), (260, 76377), (273, 72740), (364, 54555), (390, 50918), (420, 47281), (455, 43644), (546, 36370), (780, 25459), (910, 21822), (1092, 18185), (1365, 14548), (1820, 10911), (2730, 7274), (3637, 5460)]