20181160928

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{947}}^1\times {\mathrm{4861}}^1$

素因数の和:5955

約数の個数: 48

約数和(自身を含む): 40072176144

約数和(自身を除く): 19891015216

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 947, 1096, 1894, 2192, 3788, 4384, 4861, 7576, 9722, 15152, 19444, 30304, 38888, 77776, 129739, 155552, 259478, 518956, 665957, 1037912, 1331914, 2075824, 2663828, 4151648, 4603367, 5327656, 9206734, 10655312, 18413468, 21310624, 36826936, 73653872, 147307744, 630661279, 1261322558, 2522645116, 5045290232, 10090580464, 20181160928]

約数ペア:

[(1, 20181160928), (2, 10090580464), (4, 5045290232), (8, 2522645116), (16, 1261322558), (32, 630661279), (137, 147307744), (274, 73653872), (548, 36826936), (947, 21310624), (1096, 18413468), (1894, 10655312), (2192, 9206734), (3788, 5327656), (4384, 4603367), (4861, 4151648), (7576, 2663828), (9722, 2075824), (15152, 1331914), (19444, 1037912), (30304, 665957), (38888, 518956), (77776, 259478), (129739, 155552)]