18569870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 18776530

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 149, 206, 242, 298, 515, 605, 745, 1030, 1133, 1210, 1490, 1639, 2266, 3278, 5665, 8195, 11330, 12463, 15347, 16390, 18029, 24926, 30694, 36058, 62315, 76735, 90145, 124630, 153470, 168817, 180290, 337634, 844085, 1688170, 1856987, 3713974, 9284935, 18569870]

約数ペア:

[(1, 18569870), (2, 9284935), (5, 3713974), (10, 1856987), (11, 1688170), (22, 844085), (55, 337634), (103, 180290), (110, 168817), (121, 153470), (149, 124630), (206, 90145), (242, 76735), (298, 62315), (515, 36058), (605, 30694), (745, 24926), (1030, 18029), (1133, 16390), (1210, 15347), (1490, 12463), (1639, 11330), (2266, 8195), (3278, 5665)]