18778914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 34999902

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 99, 102, 119, 126, 153, 154, 187, 198, 231, 238, 306, 357, 374, 462, 561, 693, 714, 797, 1071, 1122, 1309, 1386, 1594, 1683, 2142, 2391, 2618, 3366, 3927, 4782, 5579, 7173, 7854, 8767, 11158, 11781, 13549, 14346, 16737, 17534, 23562, 26301, 27098, 33474, 40647, 50211, 52602, 61369, 78903, 81294, 94843, 100422, 121941, 122738, 149039, 157806, 184107, 189686, 243882, 284529, 298078, 368214, 447117, 552321, 569058, 853587, 894234, 1043273, 1104642, 1341351, 1707174, 2086546, 2682702, 3129819, 6259638, 9389457, 18778914]

約数ペア:

[(1, 18778914), (2, 9389457), (3, 6259638), (6, 3129819), (7, 2682702), (9, 2086546), (11, 1707174), (14, 1341351), (17, 1104642), (18, 1043273), (21, 894234), (22, 853587), (33, 569058), (34, 552321), (42, 447117), (51, 368214), (63, 298078), (66, 284529), (77, 243882), (99, 189686), (102, 184107), (119, 157806), (126, 149039), (153, 122738), (154, 121941), (187, 100422), (198, 94843), (231, 81294), (238, 78903), (306, 61369), (357, 52602), (374, 50211), (462, 40647), (561, 33474), (693, 27098), (714, 26301), (797, 23562), (1071, 17534), (1122, 16737), (1309, 14346), (1386, 13549), (1594, 11781), (1683, 11158), (2142, 8767), (2391, 7854), (2618, 7173), (3366, 5579), (3927, 4782)]