19807416

素因数分解:

$2^3\times 3^5\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 38374344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 243, 276, 324, 414, 443, 486, 552, 621, 648, 828, 886, 972, 1242, 1329, 1656, 1772, 1863, 1944, 2484, 2658, 3544, 3726, 3987, 4968, 5316, 5589, 7452, 7974, 10189, 10632, 11178, 11961, 14904, 15948, 20378, 22356, 23922, 30567, 31896, 35883, 40756, 44712, 47844, 61134, 71766, 81512, 91701, 95688, 107649, 122268, 143532, 183402, 215298, 244536, 275103, 287064, 366804, 430596, 550206, 733608, 825309, 861192, 1100412, 1650618, 2200824, 2475927, 3301236, 4951854, 6602472, 9903708, 19807416]

約数ペア:

[(1, 19807416), (2, 9903708), (3, 6602472), (4, 4951854), (6, 3301236), (8, 2475927), (9, 2200824), (12, 1650618), (18, 1100412), (23, 861192), (24, 825309), (27, 733608), (36, 550206), (46, 430596), (54, 366804), (69, 287064), (72, 275103), (81, 244536), (92, 215298), (108, 183402), (138, 143532), (162, 122268), (184, 107649), (207, 95688), (216, 91701), (243, 81512), (276, 71766), (324, 61134), (414, 47844), (443, 44712), (486, 40756), (552, 35883), (621, 31896), (648, 30567), (828, 23922), (886, 22356), (972, 20378), (1242, 15948), (1329, 14904), (1656, 11961), (1772, 11178), (1863, 10632), (1944, 10189), (2484, 7974), (2658, 7452), (3544, 5589), (3726, 5316), (3987, 4968)]