19640313

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 37914624

約数和(自身を除く): 18274311

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 67, 77, 81, 99, 141, 189, 201, 231, 297, 329, 423, 469, 517, 567, 603, 693, 737, 891, 987, 1269, 1407, 1551, 1809, 2079, 2211, 2961, 3149, 3619, 3807, 4221, 4653, 5159, 5427, 6237, 6633, 8883, 9447, 10857, 12663, 13959, 15477, 19899, 22043, 26649, 28341, 32571, 34639, 37989, 41877, 46431, 59697, 66129, 85023, 97713, 103917, 139293, 198387, 242473, 255069, 293139, 311751, 417879, 595161, 727419, 935253, 1785483, 2182257, 2805759, 6546771, 19640313]

約数ペア:

[(1, 19640313), (3, 6546771), (7, 2805759), (9, 2182257), (11, 1785483), (21, 935253), (27, 727419), (33, 595161), (47, 417879), (63, 311751), (67, 293139), (77, 255069), (81, 242473), (99, 198387), (141, 139293), (189, 103917), (201, 97713), (231, 85023), (297, 66129), (329, 59697), (423, 46431), (469, 41877), (517, 37989), (567, 34639), (603, 32571), (693, 28341), (737, 26649), (891, 22043), (987, 19899), (1269, 15477), (1407, 13959), (1551, 12663), (1809, 10857), (2079, 9447), (2211, 8883), (2961, 6633), (3149, 6237), (3619, 5427), (3807, 5159), (4221, 4653)]