19001295

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 34774272

約数和(自身を除く): 15772977

約数列:

[1, 3, 5, 9, 15, 31, 45, 53, 93, 155, 159, 257, 265, 279, 465, 477, 771, 795, 1285, 1395, 1643, 2313, 2385, 3855, 4929, 7967, 8215, 11565, 13621, 14787, 23901, 24645, 39835, 40863, 68105, 71703, 73935, 119505, 122589, 204315, 358515, 422251, 612945, 1266753, 2111255, 3800259, 6333765, 19001295]

約数ペア:

[(1, 19001295), (3, 6333765), (5, 3800259), (9, 2111255), (15, 1266753), (31, 612945), (45, 422251), (53, 358515), (93, 204315), (155, 122589), (159, 119505), (257, 73935), (265, 71703), (279, 68105), (465, 40863), (477, 39835), (771, 24645), (795, 23901), (1285, 14787), (1395, 13621), (1643, 11565), (2313, 8215), (2385, 7967), (3855, 4929)]