18407790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 31358610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 863, 1185, 1422, 1726, 2133, 2370, 2589, 3555, 4266, 4315, 5178, 7110, 7767, 8630, 10665, 12945, 15534, 21330, 23301, 25890, 38835, 46602, 68177, 77670, 116505, 136354, 204531, 233010, 340885, 409062, 613593, 681770, 1022655, 1227186, 1840779, 2045310, 3067965, 3681558, 6135930, 9203895, 18407790]

約数ペア:

[(1, 18407790), (2, 9203895), (3, 6135930), (5, 3681558), (6, 3067965), (9, 2045310), (10, 1840779), (15, 1227186), (18, 1022655), (27, 681770), (30, 613593), (45, 409062), (54, 340885), (79, 233010), (90, 204531), (135, 136354), (158, 116505), (237, 77670), (270, 68177), (395, 46602), (474, 38835), (711, 25890), (790, 23301), (863, 21330), (1185, 15534), (1422, 12945), (1726, 10665), (2133, 8630), (2370, 7767), (2589, 7110), (3555, 5178), (4266, 4315)]