19291896

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20636

約数の個数: 48

約数和(自身を含む): 56270760

約数和(自身を除く): 36978864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20611, 41222, 61833, 82444, 123666, 164888, 185499, 247332, 267943, 370998, 494664, 535886, 741996, 803829, 1071772, 1483992, 1607658, 2143544, 2411487, 3215316, 4822974, 6430632, 9645948, 19291896]

約数ペア:

[(1, 19291896), (2, 9645948), (3, 6430632), (4, 4822974), (6, 3215316), (8, 2411487), (9, 2143544), (12, 1607658), (13, 1483992), (18, 1071772), (24, 803829), (26, 741996), (36, 535886), (39, 494664), (52, 370998), (72, 267943), (78, 247332), (104, 185499), (117, 164888), (156, 123666), (234, 82444), (312, 61833), (468, 41222), (936, 20611)]