18243056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 20087824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 229, 383, 458, 766, 916, 1532, 1832, 2977, 3064, 3664, 4979, 5954, 6128, 9958, 11908, 19916, 23816, 39832, 47632, 79664, 87707, 175414, 350828, 701656, 1140191, 1403312, 2280382, 4560764, 9121528, 18243056]

約数ペア:

[(1, 18243056), (2, 9121528), (4, 4560764), (8, 2280382), (13, 1403312), (16, 1140191), (26, 701656), (52, 350828), (104, 175414), (208, 87707), (229, 79664), (383, 47632), (458, 39832), (766, 23816), (916, 19916), (1532, 11908), (1832, 9958), (2977, 6128), (3064, 5954), (3664, 4979)]