19215784

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11069}}^1$

素因数の和:11113

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 23293016

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11069, 22138, 44276, 77483, 88552, 154966, 309932, 343139, 619864, 686278, 1372556, 2401973, 2745112, 4803946, 9607892, 19215784]

約数ペア:

[(1, 19215784), (2, 9607892), (4, 4803946), (7, 2745112), (8, 2401973), (14, 1372556), (28, 686278), (31, 619864), (56, 343139), (62, 309932), (124, 154966), (217, 88552), (248, 77483), (434, 44276), (868, 22138), (1736, 11069)]