19178316

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 30818484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 743, 956, 1434, 1486, 2151, 2229, 2868, 2972, 4302, 4458, 6453, 6687, 8604, 8916, 12906, 13374, 20061, 25812, 26748, 40122, 80244, 177577, 355154, 532731, 710308, 1065462, 1598193, 2130924, 3196386, 4794579, 6392772, 9589158, 19178316]

約数ペア:

[(1, 19178316), (2, 9589158), (3, 6392772), (4, 4794579), (6, 3196386), (9, 2130924), (12, 1598193), (18, 1065462), (27, 710308), (36, 532731), (54, 355154), (108, 177577), (239, 80244), (478, 40122), (717, 26748), (743, 25812), (956, 20061), (1434, 13374), (1486, 12906), (2151, 8916), (2229, 8604), (2868, 6687), (2972, 6453), (4302, 4458)]