19142912

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 41010816

約数和(自身を除く): 21867904

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 47, 64, 74, 86, 94, 128, 148, 172, 188, 256, 296, 344, 376, 592, 688, 752, 1184, 1376, 1504, 1591, 1739, 2021, 2368, 2752, 3008, 3182, 3478, 4042, 4736, 5504, 6016, 6364, 6956, 8084, 9472, 11008, 12032, 12728, 13912, 16168, 25456, 27824, 32336, 50912, 55648, 64672, 74777, 101824, 111296, 129344, 149554, 203648, 222592, 258688, 299108, 407296, 445184, 517376, 598216, 1196432, 2392864, 4785728, 9571456, 19142912]

約数ペア:

[(1, 19142912), (2, 9571456), (4, 4785728), (8, 2392864), (16, 1196432), (32, 598216), (37, 517376), (43, 445184), (47, 407296), (64, 299108), (74, 258688), (86, 222592), (94, 203648), (128, 149554), (148, 129344), (172, 111296), (188, 101824), (256, 74777), (296, 64672), (344, 55648), (376, 50912), (592, 32336), (688, 27824), (752, 25456), (1184, 16168), (1376, 13912), (1504, 12728), (1591, 12032), (1739, 11008), (2021, 9472), (2368, 8084), (2752, 6956), (3008, 6364), (3182, 6016), (3478, 5504), (4042, 4736)]