19500676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 18883964

約数列:

[1, 2, 4, 13, 26, 47, 52, 79, 94, 101, 158, 188, 202, 316, 404, 611, 1027, 1222, 1313, 2054, 2444, 2626, 3713, 4108, 4747, 5252, 7426, 7979, 9494, 14852, 15958, 18988, 31916, 48269, 61711, 96538, 103727, 123422, 193076, 207454, 246844, 375013, 414908, 750026, 1500052, 4875169, 9750338, 19500676]

約数ペア:

[(1, 19500676), (2, 9750338), (4, 4875169), (13, 1500052), (26, 750026), (47, 414908), (52, 375013), (79, 246844), (94, 207454), (101, 193076), (158, 123422), (188, 103727), (202, 96538), (316, 61711), (404, 48269), (611, 31916), (1027, 18988), (1222, 15958), (1313, 14852), (2054, 9494), (2444, 7979), (2626, 7426), (3713, 5252), (4108, 4747)]