18498116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 21862204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 571, 623, 1142, 1157, 1246, 2284, 2314, 2492, 3997, 4628, 7423, 7994, 8099, 14846, 15988, 16198, 29692, 32396, 50819, 51961, 101638, 103922, 203276, 207844, 355733, 660647, 711466, 1321294, 1422932, 2642588, 4624529, 9249058, 18498116]

約数ペア:

[(1, 18498116), (2, 9249058), (4, 4624529), (7, 2642588), (13, 1422932), (14, 1321294), (26, 711466), (28, 660647), (52, 355733), (89, 207844), (91, 203276), (178, 103922), (182, 101638), (356, 51961), (364, 50819), (571, 32396), (623, 29692), (1142, 16198), (1157, 15988), (1246, 14846), (2284, 8099), (2314, 7994), (2492, 7423), (3997, 4628)]