18547980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 38787060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 179, 220, 314, 330, 358, 471, 537, 628, 660, 716, 785, 895, 942, 1074, 1570, 1727, 1790, 1884, 1969, 2148, 2355, 2685, 3140, 3454, 3580, 3938, 4710, 5181, 5370, 5907, 6908, 7876, 8635, 9420, 9845, 10362, 10740, 11814, 17270, 19690, 20724, 23628, 25905, 28103, 29535, 34540, 39380, 51810, 56206, 59070, 84309, 103620, 112412, 118140, 140515, 168618, 281030, 309133, 337236, 421545, 562060, 618266, 843090, 927399, 1236532, 1545665, 1686180, 1854798, 3091330, 3709596, 4636995, 6182660, 9273990, 18547980]

約数ペア:

[(1, 18547980), (2, 9273990), (3, 6182660), (4, 4636995), (5, 3709596), (6, 3091330), (10, 1854798), (11, 1686180), (12, 1545665), (15, 1236532), (20, 927399), (22, 843090), (30, 618266), (33, 562060), (44, 421545), (55, 337236), (60, 309133), (66, 281030), (110, 168618), (132, 140515), (157, 118140), (165, 112412), (179, 103620), (220, 84309), (314, 59070), (330, 56206), (358, 51810), (471, 39380), (537, 34540), (628, 29535), (660, 28103), (716, 25905), (785, 23628), (895, 20724), (942, 19690), (1074, 17270), (1570, 11814), (1727, 10740), (1790, 10362), (1884, 9845), (1969, 9420), (2148, 8635), (2355, 7876), (2685, 6908), (3140, 5907), (3454, 5370), (3580, 5181), (3938, 4710)]