18751986

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:661

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 29860974

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 81, 99, 102, 153, 162, 187, 198, 297, 306, 374, 459, 561, 594, 619, 891, 918, 1122, 1238, 1377, 1683, 1782, 1857, 2754, 3366, 3714, 5049, 5571, 6809, 10098, 10523, 11142, 13618, 15147, 16713, 20427, 21046, 30294, 31569, 33426, 40854, 50139, 61281, 63138, 94707, 100278, 115753, 122562, 183843, 189414, 231506, 284121, 347259, 367686, 551529, 568242, 694518, 852363, 1041777, 1103058, 1704726, 2083554, 3125331, 6250662, 9375993, 18751986]

約数ペア:

[(1, 18751986), (2, 9375993), (3, 6250662), (6, 3125331), (9, 2083554), (11, 1704726), (17, 1103058), (18, 1041777), (22, 852363), (27, 694518), (33, 568242), (34, 551529), (51, 367686), (54, 347259), (66, 284121), (81, 231506), (99, 189414), (102, 183843), (153, 122562), (162, 115753), (187, 100278), (198, 94707), (297, 63138), (306, 61281), (374, 50139), (459, 40854), (561, 33426), (594, 31569), (619, 30294), (891, 21046), (918, 20427), (1122, 16713), (1238, 15147), (1377, 13618), (1683, 11142), (1782, 10523), (1857, 10098), (2754, 6809), (3366, 5571), (3714, 5049)]