18211920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{75883}}^1$

素因数の和:75899

約数の個数: 40

約数和(自身を含む): 56457696

約数和(自身を除く): 38245776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 75883, 151766, 227649, 303532, 379415, 455298, 607064, 758830, 910596, 1138245, 1214128, 1517660, 1821192, 2276490, 3035320, 3642384, 4552980, 6070640, 9105960, 18211920]

約数ペア:

[(1, 18211920), (2, 9105960), (3, 6070640), (4, 4552980), (5, 3642384), (6, 3035320), (8, 2276490), (10, 1821192), (12, 1517660), (15, 1214128), (16, 1138245), (20, 910596), (24, 758830), (30, 607064), (40, 455298), (48, 379415), (60, 303532), (80, 227649), (120, 151766), (240, 75883)]