18382120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 44308800

約数和(自身を除く): 25926680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 361, 380, 536, 670, 722, 760, 1273, 1340, 1444, 1805, 2546, 2680, 2888, 3610, 5092, 6365, 6859, 7220, 10184, 12730, 13718, 14440, 24187, 25460, 27436, 34295, 48374, 50920, 54872, 68590, 96748, 120935, 137180, 193496, 241870, 274360, 459553, 483740, 919106, 967480, 1838212, 2297765, 3676424, 4595530, 9191060, 18382120]

約数ペア:

[(1, 18382120), (2, 9191060), (4, 4595530), (5, 3676424), (8, 2297765), (10, 1838212), (19, 967480), (20, 919106), (38, 483740), (40, 459553), (67, 274360), (76, 241870), (95, 193496), (134, 137180), (152, 120935), (190, 96748), (268, 68590), (335, 54872), (361, 50920), (380, 48374), (536, 34295), (670, 27436), (722, 25460), (760, 24187), (1273, 14440), (1340, 13718), (1444, 12730), (1805, 10184), (2546, 7220), (2680, 6859), (2888, 6365), (3610, 5092)]