19726512

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 55600608

約数和(自身を除く): 35874096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 101, 104, 156, 202, 208, 303, 312, 313, 404, 606, 624, 626, 808, 939, 1212, 1252, 1313, 1616, 1878, 2424, 2504, 2626, 3756, 3939, 4069, 4848, 5008, 5252, 7512, 7878, 8138, 10504, 12207, 15024, 15756, 16276, 21008, 24414, 31512, 31613, 32552, 48828, 63024, 63226, 65104, 94839, 97656, 126452, 189678, 195312, 252904, 379356, 410969, 505808, 758712, 821938, 1232907, 1517424, 1643876, 2465814, 3287752, 4931628, 6575504, 9863256, 19726512]

約数ペア:

[(1, 19726512), (2, 9863256), (3, 6575504), (4, 4931628), (6, 3287752), (8, 2465814), (12, 1643876), (13, 1517424), (16, 1232907), (24, 821938), (26, 758712), (39, 505808), (48, 410969), (52, 379356), (78, 252904), (101, 195312), (104, 189678), (156, 126452), (202, 97656), (208, 94839), (303, 65104), (312, 63226), (313, 63024), (404, 48828), (606, 32552), (624, 31613), (626, 31512), (808, 24414), (939, 21008), (1212, 16276), (1252, 15756), (1313, 15024), (1616, 12207), (1878, 10504), (2424, 8138), (2504, 7878), (2626, 7512), (3756, 5252), (3939, 5008), (4069, 4848)]