18135828

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 47622848

約数和(自身を除く): 29487020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 73, 103, 134, 146, 201, 206, 219, 268, 292, 309, 402, 412, 438, 603, 618, 657, 804, 876, 927, 1206, 1236, 1314, 1854, 2412, 2628, 3708, 4891, 6901, 7519, 9782, 13802, 14673, 15038, 19564, 20703, 22557, 27604, 29346, 30076, 41406, 44019, 45114, 58692, 62109, 67671, 82812, 88038, 90228, 124218, 135342, 176076, 248436, 270684, 503773, 1007546, 1511319, 2015092, 3022638, 4533957, 6045276, 9067914, 18135828]

約数ペア:

[(1, 18135828), (2, 9067914), (3, 6045276), (4, 4533957), (6, 3022638), (9, 2015092), (12, 1511319), (18, 1007546), (36, 503773), (67, 270684), (73, 248436), (103, 176076), (134, 135342), (146, 124218), (201, 90228), (206, 88038), (219, 82812), (268, 67671), (292, 62109), (309, 58692), (402, 45114), (412, 44019), (438, 41406), (603, 30076), (618, 29346), (657, 27604), (804, 22557), (876, 20703), (927, 19564), (1206, 15038), (1236, 14673), (1314, 13802), (1854, 9782), (2412, 7519), (2628, 6901), (3708, 4891)]