19383308

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40556544

約数和(自身を除く): 21173236

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 163, 217, 274, 326, 434, 548, 652, 868, 959, 1141, 1918, 2282, 3836, 4247, 4564, 5053, 8494, 10106, 16988, 20212, 22331, 29729, 35371, 44662, 59458, 70742, 89324, 118916, 141484, 156317, 312634, 625268, 692261, 1384522, 2769044, 4845827, 9691654, 19383308]

約数ペア:

[(1, 19383308), (2, 9691654), (4, 4845827), (7, 2769044), (14, 1384522), (28, 692261), (31, 625268), (62, 312634), (124, 156317), (137, 141484), (163, 118916), (217, 89324), (274, 70742), (326, 59458), (434, 44662), (548, 35371), (652, 29729), (868, 22331), (959, 20212), (1141, 16988), (1918, 10106), (2282, 8494), (3836, 5053), (4247, 4564)]