18108860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1069}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 47816160

約数和(自身を除く): 29707300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1069, 1210, 1540, 1694, 2138, 2420, 3388, 4235, 4276, 5345, 7483, 8470, 10690, 11759, 14966, 16940, 21380, 23518, 29932, 37415, 47036, 58795, 74830, 82313, 117590, 129349, 149660, 164626, 235180, 258698, 329252, 411565, 517396, 646745, 823130, 905443, 1293490, 1646260, 1810886, 2586980, 3621772, 4527215, 9054430, 18108860]

約数ペア:

[(1, 18108860), (2, 9054430), (4, 4527215), (5, 3621772), (7, 2586980), (10, 1810886), (11, 1646260), (14, 1293490), (20, 905443), (22, 823130), (28, 646745), (35, 517396), (44, 411565), (55, 329252), (70, 258698), (77, 235180), (110, 164626), (121, 149660), (140, 129349), (154, 117590), (220, 82313), (242, 74830), (308, 58795), (385, 47036), (484, 37415), (605, 29932), (770, 23518), (847, 21380), (1069, 16940), (1210, 14966), (1540, 11759), (1694, 10690), (2138, 8470), (2420, 7483), (3388, 5345), (4235, 4276)]