19156072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3919}}^1$

素因数の和:3985

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 20357528

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3919, 4888, 7838, 15676, 31352, 50947, 101894, 184193, 203788, 368386, 407576, 736772, 1473544, 2394509, 4789018, 9578036, 19156072]

約数ペア:

[(1, 19156072), (2, 9578036), (4, 4789018), (8, 2394509), (13, 1473544), (26, 736772), (47, 407576), (52, 368386), (94, 203788), (104, 184193), (188, 101894), (376, 50947), (611, 31352), (1222, 15676), (2444, 7838), (3919, 4888)]