18676240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 49907520

約数和(自身を除く): 31231280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1117, 1520, 1672, 2090, 2234, 3344, 4180, 4468, 5585, 8360, 8936, 11170, 12287, 16720, 17872, 21223, 22340, 24574, 42446, 44680, 49148, 61435, 84892, 89360, 98296, 106115, 122870, 169784, 196592, 212230, 233453, 245740, 339568, 424460, 466906, 491480, 848920, 933812, 982960, 1167265, 1697840, 1867624, 2334530, 3735248, 4669060, 9338120, 18676240]

約数ペア:

[(1, 18676240), (2, 9338120), (4, 4669060), (5, 3735248), (8, 2334530), (10, 1867624), (11, 1697840), (16, 1167265), (19, 982960), (20, 933812), (22, 848920), (38, 491480), (40, 466906), (44, 424460), (55, 339568), (76, 245740), (80, 233453), (88, 212230), (95, 196592), (110, 169784), (152, 122870), (176, 106115), (190, 98296), (209, 89360), (220, 84892), (304, 61435), (380, 49148), (418, 44680), (440, 42446), (760, 24574), (836, 22340), (880, 21223), (1045, 17872), (1117, 16720), (1520, 12287), (1672, 11170), (2090, 8936), (2234, 8360), (3344, 5585), (4180, 4468)]