18988896736

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{23603}}^1$

素因数の和:24455

約数の個数: 48

約数和(自身を含む): 38639559168

約数和(自身を除く): 19650662432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 811, 992, 1622, 3244, 6488, 12976, 23603, 25141, 25952, 47206, 50282, 94412, 100564, 188824, 201128, 377648, 402256, 731693, 755296, 804512, 1463386, 2926772, 5853544, 11707088, 19142033, 23414176, 38284066, 76568132, 153136264, 306272528, 593403023, 612545056, 1186806046, 2373612092, 4747224184, 9494448368, 18988896736]

約数ペア:

[(1, 18988896736), (2, 9494448368), (4, 4747224184), (8, 2373612092), (16, 1186806046), (31, 612545056), (32, 593403023), (62, 306272528), (124, 153136264), (248, 76568132), (496, 38284066), (811, 23414176), (992, 19142033), (1622, 11707088), (3244, 5853544), (6488, 2926772), (12976, 1463386), (23603, 804512), (25141, 755296), (25952, 731693), (47206, 402256), (50282, 377648), (94412, 201128), (100564, 188824)]