18696224

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 38900736

約数和(自身を除く): 20204512

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 401, 496, 752, 802, 992, 1457, 1504, 1604, 2914, 3208, 5828, 6416, 11656, 12431, 12832, 18847, 23312, 24862, 37694, 46624, 49724, 75388, 99448, 150776, 198896, 301552, 397792, 584257, 603104, 1168514, 2337028, 4674056, 9348112, 18696224]

約数ペア:

[(1, 18696224), (2, 9348112), (4, 4674056), (8, 2337028), (16, 1168514), (31, 603104), (32, 584257), (47, 397792), (62, 301552), (94, 198896), (124, 150776), (188, 99448), (248, 75388), (376, 49724), (401, 46624), (496, 37694), (752, 24862), (802, 23312), (992, 18847), (1457, 12832), (1504, 12431), (1604, 11656), (2914, 6416), (3208, 5828)]