19688604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 50309280

約数和(自身を除く): 30620676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2069, 2379, 3172, 4138, 4758, 6207, 8276, 9516, 12414, 24828, 26897, 53794, 80691, 107588, 126209, 161382, 252418, 322764, 378627, 504836, 757254, 1514508, 1640717, 3281434, 4922151, 6562868, 9844302, 19688604]

約数ペア:

[(1, 19688604), (2, 9844302), (3, 6562868), (4, 4922151), (6, 3281434), (12, 1640717), (13, 1514508), (26, 757254), (39, 504836), (52, 378627), (61, 322764), (78, 252418), (122, 161382), (156, 126209), (183, 107588), (244, 80691), (366, 53794), (732, 26897), (793, 24828), (1586, 12414), (2069, 9516), (2379, 8276), (3172, 6207), (4138, 4758)]