19239664

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 38502000

約数和(自身を除く): 19262336

約数列:

[1, 2, 4, 8, 16, 59, 89, 118, 178, 229, 236, 356, 458, 472, 712, 916, 944, 1424, 1832, 3664, 5251, 10502, 13511, 20381, 21004, 27022, 40762, 42008, 54044, 81524, 84016, 108088, 163048, 216176, 326096, 1202479, 2404958, 4809916, 9619832, 19239664]

約数ペア:

[(1, 19239664), (2, 9619832), (4, 4809916), (8, 2404958), (16, 1202479), (59, 326096), (89, 216176), (118, 163048), (178, 108088), (229, 84016), (236, 81524), (356, 54044), (458, 42008), (472, 40762), (712, 27022), (916, 21004), (944, 20381), (1424, 13511), (1832, 10502), (3664, 5251)]