18389675619

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{562427}}^1$

素因数の和:562616

約数の個数: 32

約数和(自身を含む): 31315991040

約数和(自身を除く): 12926315421

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 3633, 4671, 10899, 32697, 562427, 1687281, 3936989, 5061843, 11810967, 15185529, 35432901, 97299871, 106298703, 291899613, 681099097, 875698839, 2043297291, 2627096517, 6129891873, 18389675619]

約数ペア:

[(1, 18389675619), (3, 6129891873), (7, 2627096517), (9, 2043297291), (21, 875698839), (27, 681099097), (63, 291899613), (173, 106298703), (189, 97299871), (519, 35432901), (1211, 15185529), (1557, 11810967), (3633, 5061843), (4671, 3936989), (10899, 1687281), (32697, 562427)]