19635440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 50862816

約数和(自身を除く): 31227376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 421, 424, 440, 530, 583, 842, 848, 880, 1060, 1166, 1684, 2105, 2120, 2332, 2915, 3368, 4210, 4240, 4631, 4664, 5830, 6736, 8420, 9262, 9328, 11660, 16840, 18524, 22313, 23155, 23320, 33680, 37048, 44626, 46310, 46640, 74096, 89252, 92620, 111565, 178504, 185240, 223130, 245443, 357008, 370480, 446260, 490886, 892520, 981772, 1227215, 1785040, 1963544, 2454430, 3927088, 4908860, 9817720, 19635440]

約数ペア:

[(1, 19635440), (2, 9817720), (4, 4908860), (5, 3927088), (8, 2454430), (10, 1963544), (11, 1785040), (16, 1227215), (20, 981772), (22, 892520), (40, 490886), (44, 446260), (53, 370480), (55, 357008), (80, 245443), (88, 223130), (106, 185240), (110, 178504), (176, 111565), (212, 92620), (220, 89252), (265, 74096), (421, 46640), (424, 46310), (440, 44626), (530, 37048), (583, 33680), (842, 23320), (848, 23155), (880, 22313), (1060, 18524), (1166, 16840), (1684, 11660), (2105, 9328), (2120, 9262), (2332, 8420), (2915, 6736), (3368, 5830), (4210, 4664), (4240, 4631)]