19688016

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 33344304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 71, 106, 109, 142, 159, 212, 213, 218, 284, 318, 327, 424, 426, 436, 568, 636, 654, 848, 852, 872, 1136, 1272, 1308, 1704, 1744, 2544, 2616, 3408, 3763, 5232, 5777, 7526, 7739, 11289, 11554, 15052, 15478, 17331, 22578, 23108, 23217, 30104, 30956, 34662, 45156, 46216, 46434, 60208, 61912, 69324, 90312, 92432, 92868, 123824, 138648, 180624, 185736, 277296, 371472, 410167, 820334, 1230501, 1640668, 2461002, 3281336, 4922004, 6562672, 9844008, 19688016]

約数ペア:

[(1, 19688016), (2, 9844008), (3, 6562672), (4, 4922004), (6, 3281336), (8, 2461002), (12, 1640668), (16, 1230501), (24, 820334), (48, 410167), (53, 371472), (71, 277296), (106, 185736), (109, 180624), (142, 138648), (159, 123824), (212, 92868), (213, 92432), (218, 90312), (284, 69324), (318, 61912), (327, 60208), (424, 46434), (426, 46216), (436, 45156), (568, 34662), (636, 30956), (654, 30104), (848, 23217), (852, 23108), (872, 22578), (1136, 17331), (1272, 15478), (1308, 15052), (1704, 11554), (1744, 11289), (2544, 7739), (2616, 7526), (3408, 5777), (3763, 5232)]