15390076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 31430560

約数和(自身を除く): 16040484

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 421, 481, 494, 703, 842, 962, 988, 1406, 1684, 1924, 2812, 5473, 7999, 9139, 10946, 15577, 15998, 18278, 21892, 31154, 31996, 36556, 62308, 103987, 202501, 207974, 295963, 405002, 415948, 591926, 810004, 1183852, 3847519, 7695038, 15390076]

約数ペア:

[(1, 15390076), (2, 7695038), (4, 3847519), (13, 1183852), (19, 810004), (26, 591926), (37, 415948), (38, 405002), (52, 295963), (74, 207974), (76, 202501), (148, 103987), (247, 62308), (421, 36556), (481, 31996), (494, 31154), (703, 21892), (842, 18278), (962, 15998), (988, 15577), (1406, 10946), (1684, 9139), (1924, 7999), (2812, 5473)]