16318380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20946

約数の個数: 48

約数和(自身を含む): 49208544

約数和(自身を除く): 32890164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20921, 41842, 62763, 83684, 104605, 125526, 209210, 251052, 271973, 313815, 418420, 543946, 627630, 815919, 1087892, 1255260, 1359865, 1631838, 2719730, 3263676, 4079595, 5439460, 8159190, 16318380]

約数ペア:

[(1, 16318380), (2, 8159190), (3, 5439460), (4, 4079595), (5, 3263676), (6, 2719730), (10, 1631838), (12, 1359865), (13, 1255260), (15, 1087892), (20, 815919), (26, 627630), (30, 543946), (39, 418420), (52, 313815), (60, 271973), (65, 251052), (78, 209210), (130, 125526), (156, 104605), (195, 83684), (260, 62763), (390, 41842), (780, 20921)]