18934528

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 36

約数和(自身を含む): 38836000

約数和(自身を除く): 19901472

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 1999, 2368, 3998, 4736, 7996, 9472, 15992, 31984, 63968, 73963, 127936, 147926, 255872, 295852, 511744, 591704, 1183408, 2366816, 4733632, 9467264, 18934528]

約数ペア:

[(1, 18934528), (2, 9467264), (4, 4733632), (8, 2366816), (16, 1183408), (32, 591704), (37, 511744), (64, 295852), (74, 255872), (128, 147926), (148, 127936), (256, 73963), (296, 63968), (592, 31984), (1184, 15992), (1999, 9472), (2368, 7996), (3998, 4736)]