19151036620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1\times {\mathrm{10069}}^1$

素因数の和:11698

約数の個数: 48

約数和(自身を含む): 40906756800

約数和(自身を除く): 21755720180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1559, 3118, 6236, 7795, 10069, 15590, 20138, 31180, 40276, 50345, 95099, 100690, 190198, 201380, 380396, 475495, 614209, 950990, 1228418, 1901980, 2456836, 3071045, 6142090, 12284180, 15697571, 31395142, 62790284, 78487855, 156975710, 313951420, 957551831, 1915103662, 3830207324, 4787759155, 9575518310, 19151036620]

約数ペア:

[(1, 19151036620), (2, 9575518310), (4, 4787759155), (5, 3830207324), (10, 1915103662), (20, 957551831), (61, 313951420), (122, 156975710), (244, 78487855), (305, 62790284), (610, 31395142), (1220, 15697571), (1559, 12284180), (3118, 6142090), (6236, 3071045), (7795, 2456836), (10069, 1901980), (15590, 1228418), (20138, 950990), (31180, 614209), (40276, 475495), (50345, 380396), (95099, 201380), (100690, 190198)]