19479780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3537

約数の個数: 72

約数和(自身を含む): 61012224

約数和(自身を除く): 41532444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3491, 5580, 6982, 10473, 13964, 17455, 20946, 31419, 34910, 41892, 52365, 62838, 69820, 104730, 108221, 125676, 157095, 209460, 216442, 314190, 324663, 432884, 541105, 628380, 649326, 973989, 1082210, 1298652, 1623315, 1947978, 2164420, 3246630, 3895956, 4869945, 6493260, 9739890, 19479780]

約数ペア:

[(1, 19479780), (2, 9739890), (3, 6493260), (4, 4869945), (5, 3895956), (6, 3246630), (9, 2164420), (10, 1947978), (12, 1623315), (15, 1298652), (18, 1082210), (20, 973989), (30, 649326), (31, 628380), (36, 541105), (45, 432884), (60, 324663), (62, 314190), (90, 216442), (93, 209460), (124, 157095), (155, 125676), (180, 108221), (186, 104730), (279, 69820), (310, 62838), (372, 52365), (465, 41892), (558, 34910), (620, 31419), (930, 20946), (1116, 17455), (1395, 13964), (1860, 10473), (2790, 6982), (3491, 5580)]