18106980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13121}}^1$

素因数の和:13156

約数の個数: 48

約数和(自身を含む): 52907904

約数和(自身を除く): 34800924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13121, 26242, 39363, 52484, 65605, 78726, 131210, 157452, 196815, 262420, 301783, 393630, 603566, 787260, 905349, 1207132, 1508915, 1810698, 3017830, 3621396, 4526745, 6035660, 9053490, 18106980]

約数ペア:

[(1, 18106980), (2, 9053490), (3, 6035660), (4, 4526745), (5, 3621396), (6, 3017830), (10, 1810698), (12, 1508915), (15, 1207132), (20, 905349), (23, 787260), (30, 603566), (46, 393630), (60, 301783), (69, 262420), (92, 196815), (115, 157452), (138, 131210), (230, 78726), (276, 65605), (345, 52484), (460, 39363), (690, 26242), (1380, 13121)]