16420256

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18053344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 239, 304, 452, 478, 608, 904, 956, 1808, 1912, 2147, 3616, 3824, 4294, 4541, 7648, 8588, 9082, 17176, 18164, 27007, 34352, 36328, 54014, 68704, 72656, 108028, 145312, 216056, 432112, 513133, 864224, 1026266, 2052532, 4105064, 8210128, 16420256]

約数ペア:

[(1, 16420256), (2, 8210128), (4, 4105064), (8, 2052532), (16, 1026266), (19, 864224), (32, 513133), (38, 432112), (76, 216056), (113, 145312), (152, 108028), (226, 72656), (239, 68704), (304, 54014), (452, 36328), (478, 34352), (608, 27007), (904, 18164), (956, 17176), (1808, 9082), (1912, 8588), (2147, 7648), (3616, 4541), (3824, 4294)]