18134802364

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{420293}}^1$

素因数の和:420394

約数の個数: 48

約数和(自身を含む): 38411509248

約数和(自身を除く): 20276706884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 469, 644, 938, 1541, 1876, 3082, 6164, 10787, 21574, 43148, 420293, 840586, 1681172, 2942051, 5884102, 9666739, 11768204, 19333478, 28159631, 38666956, 56319262, 67667173, 112638524, 135334346, 197117417, 270668692, 394234834, 647671513, 788469668, 1295343026, 2590686052, 4533700591, 9067401182, 18134802364]

約数ペア:

[(1, 18134802364), (2, 9067401182), (4, 4533700591), (7, 2590686052), (14, 1295343026), (23, 788469668), (28, 647671513), (46, 394234834), (67, 270668692), (92, 197117417), (134, 135334346), (161, 112638524), (268, 67667173), (322, 56319262), (469, 38666956), (644, 28159631), (938, 19333478), (1541, 11768204), (1876, 9666739), (3082, 5884102), (6164, 2942051), (10787, 1681172), (21574, 840586), (43148, 420293)]