31519328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 35250592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1103, 1504, 1786, 2206, 3572, 4412, 7144, 8824, 14288, 17648, 20957, 28576, 35296, 41914, 51841, 83828, 103682, 167656, 207364, 335312, 414728, 670624, 829456, 984979, 1658912, 1969958, 3939916, 7879832, 15759664, 31519328]

約数ペア:

[(1, 31519328), (2, 15759664), (4, 7879832), (8, 3939916), (16, 1969958), (19, 1658912), (32, 984979), (38, 829456), (47, 670624), (76, 414728), (94, 335312), (152, 207364), (188, 167656), (304, 103682), (376, 83828), (608, 51841), (752, 41914), (893, 35296), (1103, 28576), (1504, 20957), (1786, 17648), (2206, 14288), (3572, 8824), (4412, 7144)]