18062408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 42725760

約数和(自身を除く): 24663352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 577, 602, 728, 1118, 1154, 1204, 2236, 2308, 2408, 3913, 4039, 4472, 4616, 7501, 7826, 8078, 15002, 15652, 16156, 24811, 30004, 31304, 32312, 49622, 52507, 60008, 99244, 105014, 173677, 198488, 210028, 322543, 347354, 420056, 645086, 694708, 1290172, 1389416, 2257801, 2580344, 4515602, 9031204, 18062408]

約数ペア:

[(1, 18062408), (2, 9031204), (4, 4515602), (7, 2580344), (8, 2257801), (13, 1389416), (14, 1290172), (26, 694708), (28, 645086), (43, 420056), (52, 347354), (56, 322543), (86, 210028), (91, 198488), (104, 173677), (172, 105014), (182, 99244), (301, 60008), (344, 52507), (364, 49622), (559, 32312), (577, 31304), (602, 30004), (728, 24811), (1118, 16156), (1154, 15652), (1204, 15002), (2236, 8078), (2308, 7826), (2408, 7501), (3913, 4616), (4039, 4472)]