19948624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 41013248

約数和(自身を除く): 21064624

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1087, 1147, 2174, 2294, 4348, 4588, 8696, 9176, 17392, 18352, 33697, 40219, 67394, 80438, 134788, 160876, 269576, 321752, 539152, 643504, 1246789, 2493578, 4987156, 9974312, 19948624]

約数ペア:

[(1, 19948624), (2, 9974312), (4, 4987156), (8, 2493578), (16, 1246789), (31, 643504), (37, 539152), (62, 321752), (74, 269576), (124, 160876), (148, 134788), (248, 80438), (296, 67394), (496, 40219), (592, 33697), (1087, 18352), (1147, 17392), (2174, 9176), (2294, 8696), (4348, 4588)]