18299090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 35963352

約数和(自身を除く): 17664262

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 137, 185, 190, 274, 361, 370, 685, 703, 722, 1370, 1406, 1805, 2603, 3515, 3610, 5069, 5206, 7030, 10138, 13015, 13357, 25345, 26030, 26714, 49457, 50690, 66785, 96311, 98914, 133570, 192622, 247285, 481555, 494570, 963110, 1829909, 3659818, 9149545, 18299090]

約数ペア:

[(1, 18299090), (2, 9149545), (5, 3659818), (10, 1829909), (19, 963110), (37, 494570), (38, 481555), (74, 247285), (95, 192622), (137, 133570), (185, 98914), (190, 96311), (274, 66785), (361, 50690), (370, 49457), (685, 26714), (703, 26030), (722, 25345), (1370, 13357), (1406, 13015), (1805, 10138), (2603, 7030), (3515, 5206), (3610, 5069)]