18178920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{50497}}^1$

素因数の和:50514

約数の個数: 48

約数和(自身を含む): 59082660

約数和(自身を除く): 40903740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 50497, 100994, 151491, 201988, 252485, 302982, 403976, 454473, 504970, 605964, 757455, 908946, 1009940, 1211928, 1514910, 1817892, 2019880, 2272365, 3029820, 3635784, 4544730, 6059640, 9089460, 18178920]

約数ペア:

[(1, 18178920), (2, 9089460), (3, 6059640), (4, 4544730), (5, 3635784), (6, 3029820), (8, 2272365), (9, 2019880), (10, 1817892), (12, 1514910), (15, 1211928), (18, 1009940), (20, 908946), (24, 757455), (30, 605964), (36, 504970), (40, 454473), (45, 403976), (60, 302982), (72, 252485), (90, 201988), (120, 151491), (180, 100994), (360, 50497)]