18393728

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21263872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 107, 128, 136, 158, 214, 272, 316, 428, 544, 632, 856, 1088, 1264, 1343, 1712, 1819, 2176, 2528, 2686, 3424, 3638, 5056, 5372, 6848, 7276, 8453, 10112, 10744, 13696, 14552, 16906, 21488, 29104, 33812, 42976, 58208, 67624, 85952, 116416, 135248, 143701, 171904, 232832, 270496, 287402, 540992, 574804, 1081984, 1149608, 2299216, 4598432, 9196864, 18393728]

約数ペア:

[(1, 18393728), (2, 9196864), (4, 4598432), (8, 2299216), (16, 1149608), (17, 1081984), (32, 574804), (34, 540992), (64, 287402), (68, 270496), (79, 232832), (107, 171904), (128, 143701), (136, 135248), (158, 116416), (214, 85952), (272, 67624), (316, 58208), (428, 42976), (544, 33812), (632, 29104), (856, 21488), (1088, 16906), (1264, 14552), (1343, 13696), (1712, 10744), (1819, 10112), (2176, 8453), (2528, 7276), (2686, 6848), (3424, 5372), (3638, 5056)]