18631408

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 37283328

約数和(自身を除く): 18651920

約数列:

[1, 2, 4, 8, 16, 53, 106, 127, 173, 212, 254, 346, 424, 508, 692, 848, 1016, 1384, 2032, 2768, 6731, 9169, 13462, 18338, 21971, 26924, 36676, 43942, 53848, 73352, 87884, 107696, 146704, 175768, 351536, 1164463, 2328926, 4657852, 9315704, 18631408]

約数ペア:

[(1, 18631408), (2, 9315704), (4, 4657852), (8, 2328926), (16, 1164463), (53, 351536), (106, 175768), (127, 146704), (173, 107696), (212, 87884), (254, 73352), (346, 53848), (424, 43942), (508, 36676), (692, 26924), (848, 21971), (1016, 18338), (1384, 13462), (2032, 9169), (2768, 6731)]