19986630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21491}}^1$

素因数の和:21532

約数の個数: 32

約数和(自身を含む): 49517568

約数和(自身を除く): 29530938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21491, 42982, 64473, 107455, 128946, 214910, 322365, 644730, 666221, 1332442, 1998663, 3331105, 3997326, 6662210, 9993315, 19986630]

約数ペア:

[(1, 19986630), (2, 9993315), (3, 6662210), (5, 3997326), (6, 3331105), (10, 1998663), (15, 1332442), (30, 666221), (31, 644730), (62, 322365), (93, 214910), (155, 128946), (186, 107455), (310, 64473), (465, 42982), (930, 21491)]