18478278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 51105600

約数和(自身を除く): 32627322

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 234, 261, 273, 377, 389, 406, 522, 546, 609, 754, 778, 819, 1131, 1167, 1218, 1638, 1827, 2262, 2334, 2639, 2723, 3393, 3501, 3654, 5057, 5278, 5446, 6786, 7002, 7917, 8169, 10114, 11281, 15171, 15834, 16338, 22562, 23751, 24507, 30342, 33843, 35399, 45513, 47502, 49014, 67686, 70798, 78967, 91026, 101529, 106197, 146653, 157934, 203058, 212394, 236901, 293306, 318591, 439959, 473802, 637182, 710703, 879918, 1026571, 1319877, 1421406, 2053142, 2639754, 3079713, 6159426, 9239139, 18478278]

約数ペア:

[(1, 18478278), (2, 9239139), (3, 6159426), (6, 3079713), (7, 2639754), (9, 2053142), (13, 1421406), (14, 1319877), (18, 1026571), (21, 879918), (26, 710703), (29, 637182), (39, 473802), (42, 439959), (58, 318591), (63, 293306), (78, 236901), (87, 212394), (91, 203058), (117, 157934), (126, 146653), (174, 106197), (182, 101529), (203, 91026), (234, 78967), (261, 70798), (273, 67686), (377, 49014), (389, 47502), (406, 45513), (522, 35399), (546, 33843), (609, 30342), (754, 24507), (778, 23751), (819, 22562), (1131, 16338), (1167, 15834), (1218, 15171), (1638, 11281), (1827, 10114), (2262, 8169), (2334, 7917), (2639, 7002), (2723, 6786), (3393, 5446), (3501, 5278), (3654, 5057)]