18832120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11483}}^1$

素因数の和:11535

約数の個数: 32

約数和(自身を含む): 43409520

約数和(自身を除く): 24577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11483, 22966, 45932, 57415, 91864, 114830, 229660, 459320, 470803, 941606, 1883212, 2354015, 3766424, 4708030, 9416060, 18832120]

約数ペア:

[(1, 18832120), (2, 9416060), (4, 4708030), (5, 3766424), (8, 2354015), (10, 1883212), (20, 941606), (40, 470803), (41, 459320), (82, 229660), (164, 114830), (205, 91864), (328, 57415), (410, 45932), (820, 22966), (1640, 11483)]