19584416

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 20413024

約数列:

[1, 2, 4, 8, 16, 32, 61, 79, 122, 127, 158, 244, 254, 316, 488, 508, 632, 976, 1016, 1264, 1952, 2032, 2528, 4064, 4819, 7747, 9638, 10033, 15494, 19276, 20066, 30988, 38552, 40132, 61976, 77104, 80264, 123952, 154208, 160528, 247904, 321056, 612013, 1224026, 2448052, 4896104, 9792208, 19584416]

約数ペア:

[(1, 19584416), (2, 9792208), (4, 4896104), (8, 2448052), (16, 1224026), (32, 612013), (61, 321056), (79, 247904), (122, 160528), (127, 154208), (158, 123952), (244, 80264), (254, 77104), (316, 61976), (488, 40132), (508, 38552), (632, 30988), (976, 20066), (1016, 19276), (1264, 15494), (1952, 10033), (2032, 9638), (2528, 7747), (4064, 4819)]