18883345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 26998272

約数和(自身を除く): 8114927

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 743, 1105, 1495, 1955, 3715, 5083, 9659, 12631, 17089, 25415, 48295, 63155, 85445, 164203, 222157, 290513, 821015, 1110785, 1452565, 3776669, 18883345]

約数ペア:

[(1, 18883345), (5, 3776669), (13, 1452565), (17, 1110785), (23, 821015), (65, 290513), (85, 222157), (115, 164203), (221, 85445), (299, 63155), (391, 48295), (743, 25415), (1105, 17089), (1495, 12631), (1955, 9659), (3715, 5083)]