18888980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3733}}^1$

素因数の和:3776

約数の個数: 48

約数和(自身を含む): 45166464

約数和(自身を除く): 26277484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3733, 5060, 7466, 14932, 18665, 37330, 41063, 74660, 82126, 85859, 164252, 171718, 205315, 343436, 410630, 429295, 821260, 858590, 944449, 1717180, 1888898, 3777796, 4722245, 9444490, 18888980]

約数ペア:

[(1, 18888980), (2, 9444490), (4, 4722245), (5, 3777796), (10, 1888898), (11, 1717180), (20, 944449), (22, 858590), (23, 821260), (44, 429295), (46, 410630), (55, 343436), (92, 205315), (110, 171718), (115, 164252), (220, 85859), (230, 82126), (253, 74660), (460, 41063), (506, 37330), (1012, 18665), (1265, 14932), (2530, 7466), (3733, 5060)]