19910898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 48

約数和(自身を含む): 51904320

約数和(自身を除く): 31993422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8317, 16634, 24951, 49902, 58219, 74853, 116438, 149706, 158023, 174657, 316046, 349314, 474069, 523971, 948138, 1047942, 1106161, 1422207, 2212322, 2844414, 3318483, 6636966, 9955449, 19910898]

約数ペア:

[(1, 19910898), (2, 9955449), (3, 6636966), (6, 3318483), (7, 2844414), (9, 2212322), (14, 1422207), (18, 1106161), (19, 1047942), (21, 948138), (38, 523971), (42, 474069), (57, 349314), (63, 316046), (114, 174657), (126, 158023), (133, 149706), (171, 116438), (266, 74853), (342, 58219), (399, 49902), (798, 24951), (1197, 16634), (2394, 8317)]