18491264

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 42007680

約数和(自身を除く): 23516416

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 571, 704, 736, 1012, 1142, 1408, 1472, 2024, 2284, 2944, 4048, 4568, 6281, 8096, 9136, 12562, 13133, 16192, 18272, 25124, 26266, 32384, 36544, 50248, 52532, 73088, 100496, 105064, 144463, 200992, 210128, 288926, 401984, 420256, 577852, 803968, 840512, 1155704, 1681024, 2311408, 4622816, 9245632, 18491264]

約数ペア:

[(1, 18491264), (2, 9245632), (4, 4622816), (8, 2311408), (11, 1681024), (16, 1155704), (22, 840512), (23, 803968), (32, 577852), (44, 420256), (46, 401984), (64, 288926), (88, 210128), (92, 200992), (128, 144463), (176, 105064), (184, 100496), (253, 73088), (352, 52532), (368, 50248), (506, 36544), (571, 32384), (704, 26266), (736, 25124), (1012, 18272), (1142, 16192), (1408, 13133), (1472, 12562), (2024, 9136), (2284, 8096), (2944, 6281), (4048, 4568)]