18909805258

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{148997}}^1$

素因数の和:149142

約数の個数: 32

約数和(自身を含む): 30896225280

約数和(自身を除く): 11986420022

約数列:

[1, 2, 23, 31, 46, 62, 89, 178, 713, 1426, 2047, 2759, 4094, 5518, 63457, 126914, 148997, 297994, 3426931, 4618907, 6853862, 9237814, 13260733, 26521466, 106234861, 212469722, 304996859, 411082723, 609993718, 822165446, 9454902629, 18909805258]

約数ペア:

[(1, 18909805258), (2, 9454902629), (23, 822165446), (31, 609993718), (46, 411082723), (62, 304996859), (89, 212469722), (178, 106234861), (713, 26521466), (1426, 13260733), (2047, 9237814), (2759, 6853862), (4094, 4618907), (5518, 3426931), (63457, 297994), (126914, 148997)]