18893004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 47830272

約数和(自身を除く): 28937268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 743, 978, 1486, 1956, 2119, 2229, 2972, 4238, 4458, 6357, 8476, 8916, 9659, 12714, 19318, 25428, 28977, 38636, 57954, 115908, 121109, 242218, 363327, 484436, 726654, 1453308, 1574417, 3148834, 4723251, 6297668, 9446502, 18893004]

約数ペア:

[(1, 18893004), (2, 9446502), (3, 6297668), (4, 4723251), (6, 3148834), (12, 1574417), (13, 1453308), (26, 726654), (39, 484436), (52, 363327), (78, 242218), (156, 121109), (163, 115908), (326, 57954), (489, 38636), (652, 28977), (743, 25428), (978, 19318), (1486, 12714), (1956, 9659), (2119, 8916), (2229, 8476), (2972, 6357), (4238, 4458)]