18213780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1273

約数の個数: 96

約数和(自身を含む): 57859200

約数和(自身を除く): 39645420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1229, 1235, 1482, 2458, 2470, 2964, 3687, 3705, 4916, 4940, 6145, 7374, 7410, 12290, 14748, 14820, 15977, 18435, 23351, 24580, 31954, 36870, 46702, 47931, 63908, 70053, 73740, 79885, 93404, 95862, 116755, 140106, 159770, 191724, 233510, 239655, 280212, 303563, 319540, 350265, 467020, 479310, 607126, 700530, 910689, 958620, 1214252, 1401060, 1517815, 1821378, 3035630, 3642756, 4553445, 6071260, 9106890, 18213780]

約数ペア:

[(1, 18213780), (2, 9106890), (3, 6071260), (4, 4553445), (5, 3642756), (6, 3035630), (10, 1821378), (12, 1517815), (13, 1401060), (15, 1214252), (19, 958620), (20, 910689), (26, 700530), (30, 607126), (38, 479310), (39, 467020), (52, 350265), (57, 319540), (60, 303563), (65, 280212), (76, 239655), (78, 233510), (95, 191724), (114, 159770), (130, 140106), (156, 116755), (190, 95862), (195, 93404), (228, 79885), (247, 73740), (260, 70053), (285, 63908), (380, 47931), (390, 46702), (494, 36870), (570, 31954), (741, 24580), (780, 23351), (988, 18435), (1140, 15977), (1229, 14820), (1235, 14748), (1482, 12290), (2458, 7410), (2470, 7374), (2964, 6145), (3687, 4940), (3705, 4916)]