18781730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1511}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 18449758

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 1511, 2486, 3022, 6215, 7555, 12430, 15110, 16621, 33242, 83105, 166210, 170743, 341486, 853715, 1707430, 1878173, 3756346, 9390865, 18781730]

約数ペア:

[(1, 18781730), (2, 9390865), (5, 3756346), (10, 1878173), (11, 1707430), (22, 853715), (55, 341486), (110, 170743), (113, 166210), (226, 83105), (565, 33242), (1130, 16621), (1243, 15110), (1511, 12430), (2486, 7555), (3022, 6215)]