19453984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3251}}^1$

素因数の和:3289

約数の個数: 48

約数和(自身を含む): 44253216

約数和(自身を除く): 24799232

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3251, 5984, 6502, 13004, 26008, 35761, 52016, 55267, 71522, 104032, 110534, 143044, 221068, 286088, 442136, 572176, 607937, 884272, 1144352, 1215874, 1768544, 2431748, 4863496, 9726992, 19453984]

約数ペア:

[(1, 19453984), (2, 9726992), (4, 4863496), (8, 2431748), (11, 1768544), (16, 1215874), (17, 1144352), (22, 884272), (32, 607937), (34, 572176), (44, 442136), (68, 286088), (88, 221068), (136, 143044), (176, 110534), (187, 104032), (272, 71522), (352, 55267), (374, 52016), (544, 35761), (748, 26008), (1496, 13004), (2992, 6502), (3251, 5984)]