18508698

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 47698560

約数和(自身を除く): 29189862

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 117, 138, 171, 181, 207, 234, 247, 299, 342, 362, 414, 437, 494, 543, 598, 741, 874, 897, 1086, 1311, 1482, 1629, 1794, 2223, 2353, 2622, 2691, 3258, 3439, 3933, 4163, 4446, 4706, 5382, 5681, 6878, 7059, 7866, 8326, 10317, 11362, 12489, 14118, 17043, 20634, 21177, 24978, 30951, 34086, 37467, 42354, 44707, 51129, 54119, 61902, 74934, 79097, 89414, 102258, 108238, 134121, 158194, 162357, 237291, 268242, 324714, 402363, 474582, 487071, 711873, 804726, 974142, 1028261, 1423746, 2056522, 3084783, 6169566, 9254349, 18508698]

約数ペア:

[(1, 18508698), (2, 9254349), (3, 6169566), (6, 3084783), (9, 2056522), (13, 1423746), (18, 1028261), (19, 974142), (23, 804726), (26, 711873), (38, 487071), (39, 474582), (46, 402363), (57, 324714), (69, 268242), (78, 237291), (114, 162357), (117, 158194), (138, 134121), (171, 108238), (181, 102258), (207, 89414), (234, 79097), (247, 74934), (299, 61902), (342, 54119), (362, 51129), (414, 44707), (437, 42354), (494, 37467), (543, 34086), (598, 30951), (741, 24978), (874, 21177), (897, 20634), (1086, 17043), (1311, 14118), (1482, 12489), (1629, 11362), (1794, 10317), (2223, 8326), (2353, 7866), (2622, 7059), (2691, 6878), (3258, 5681), (3439, 5382), (3933, 4706), (4163, 4446)]