18428886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 48372480

約数和(自身を除く): 29943594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 59, 63, 67, 74, 111, 118, 126, 134, 177, 201, 222, 259, 333, 354, 402, 413, 469, 518, 531, 603, 666, 777, 826, 938, 1062, 1206, 1239, 1407, 1554, 2183, 2331, 2478, 2479, 2814, 3717, 3953, 4221, 4366, 4662, 4958, 6549, 7434, 7437, 7906, 8442, 11859, 13098, 14874, 15281, 17353, 19647, 22311, 23718, 27671, 30562, 34706, 35577, 39294, 44622, 45843, 52059, 55342, 71154, 83013, 91686, 104118, 137529, 146261, 156177, 166026, 249039, 275058, 292522, 312354, 438783, 498078, 877566, 1023827, 1316349, 2047654, 2632698, 3071481, 6142962, 9214443, 18428886]

約数ペア:

[(1, 18428886), (2, 9214443), (3, 6142962), (6, 3071481), (7, 2632698), (9, 2047654), (14, 1316349), (18, 1023827), (21, 877566), (37, 498078), (42, 438783), (59, 312354), (63, 292522), (67, 275058), (74, 249039), (111, 166026), (118, 156177), (126, 146261), (134, 137529), (177, 104118), (201, 91686), (222, 83013), (259, 71154), (333, 55342), (354, 52059), (402, 45843), (413, 44622), (469, 39294), (518, 35577), (531, 34706), (603, 30562), (666, 27671), (777, 23718), (826, 22311), (938, 19647), (1062, 17353), (1206, 15281), (1239, 14874), (1407, 13098), (1554, 11859), (2183, 8442), (2331, 7906), (2478, 7437), (2479, 7434), (2814, 6549), (3717, 4958), (3953, 4662), (4221, 4366)]