19943416

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 21528584

約数列:

[1, 2, 4, 8, 29, 31, 47, 58, 59, 62, 94, 116, 118, 124, 188, 232, 236, 248, 376, 472, 899, 1363, 1457, 1711, 1798, 1829, 2726, 2773, 2914, 3422, 3596, 3658, 5452, 5546, 5828, 6844, 7192, 7316, 10904, 11092, 11656, 13688, 14632, 22184, 42253, 53041, 80417, 84506, 85963, 106082, 160834, 169012, 171926, 212164, 321668, 338024, 343852, 424328, 643336, 687704, 2492927, 4985854, 9971708, 19943416]

約数ペア:

[(1, 19943416), (2, 9971708), (4, 4985854), (8, 2492927), (29, 687704), (31, 643336), (47, 424328), (58, 343852), (59, 338024), (62, 321668), (94, 212164), (116, 171926), (118, 169012), (124, 160834), (188, 106082), (232, 85963), (236, 84506), (248, 80417), (376, 53041), (472, 42253), (899, 22184), (1363, 14632), (1457, 13688), (1711, 11656), (1798, 11092), (1829, 10904), (2726, 7316), (2773, 7192), (2914, 6844), (3422, 5828), (3596, 5546), (3658, 5452)]