2018131686

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:979

約数の個数: 80

約数和(自身を含む): 4616610768

約数和(自身を除く): 2598479082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 443, 461, 549, 886, 922, 1098, 1329, 1383, 1647, 2658, 2766, 3294, 3987, 4149, 4941, 7974, 8298, 9882, 11961, 12447, 23922, 24894, 27023, 28121, 35883, 37341, 54046, 56242, 71766, 74682, 81069, 84363, 162138, 168726, 204223, 243207, 253089, 408446, 486414, 506178, 612669, 729621, 759267, 1225338, 1459242, 1518534, 1838007, 2188863, 2277801, 3676014, 4377726, 4555602, 5514021, 11028042, 12457603, 16542063, 24915206, 33084126, 37372809, 74745618, 112118427, 224236854, 336355281, 672710562, 1009065843, 2018131686]

約数ペア:

[(1, 2018131686), (2, 1009065843), (3, 672710562), (6, 336355281), (9, 224236854), (18, 112118427), (27, 74745618), (54, 37372809), (61, 33084126), (81, 24915206), (122, 16542063), (162, 12457603), (183, 11028042), (366, 5514021), (443, 4555602), (461, 4377726), (549, 3676014), (886, 2277801), (922, 2188863), (1098, 1838007), (1329, 1518534), (1383, 1459242), (1647, 1225338), (2658, 759267), (2766, 729621), (3294, 612669), (3987, 506178), (4149, 486414), (4941, 408446), (7974, 253089), (8298, 243207), (9882, 204223), (11961, 168726), (12447, 162138), (23922, 84363), (24894, 81069), (27023, 74682), (28121, 71766), (35883, 56242), (37341, 54046)]