19899210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21397}}^1$

素因数の和:21438

約数の個数: 32

約数和(自身を含む): 49300992

約数和(自身を除く): 29401782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21397, 42794, 64191, 106985, 128382, 213970, 320955, 641910, 663307, 1326614, 1989921, 3316535, 3979842, 6633070, 9949605, 19899210]

約数ペア:

[(1, 19899210), (2, 9949605), (3, 6633070), (5, 3979842), (6, 3316535), (10, 1989921), (15, 1326614), (30, 663307), (31, 641910), (62, 320955), (93, 213970), (155, 128382), (186, 106985), (310, 64191), (465, 42794), (930, 21397)]