18368320

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1019

約数の個数: 56

約数和(自身を含む): 44503848

約数和(自身を除く): 26135528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 941, 976, 1220, 1882, 1952, 2440, 3764, 3904, 4705, 4880, 7528, 9410, 9760, 15056, 18820, 19520, 30112, 37640, 57401, 60224, 75280, 114802, 150560, 229604, 287005, 301120, 459208, 574010, 918416, 1148020, 1836832, 2296040, 3673664, 4592080, 9184160, 18368320]

約数ペア:

[(1, 18368320), (2, 9184160), (4, 4592080), (5, 3673664), (8, 2296040), (10, 1836832), (16, 1148020), (20, 918416), (32, 574010), (40, 459208), (61, 301120), (64, 287005), (80, 229604), (122, 150560), (160, 114802), (244, 75280), (305, 60224), (320, 57401), (488, 37640), (610, 30112), (941, 19520), (976, 18820), (1220, 15056), (1882, 9760), (1952, 9410), (2440, 7528), (3764, 4880), (3904, 4705)]