18427090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 37068696

約数和(自身を除く): 18641606

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 121, 157, 194, 242, 314, 485, 605, 785, 970, 1067, 1210, 1570, 1727, 2134, 3454, 5335, 8635, 10670, 11737, 15229, 17270, 18997, 23474, 30458, 37994, 58685, 76145, 94985, 117370, 152290, 167519, 189970, 335038, 837595, 1675190, 1842709, 3685418, 9213545, 18427090]

約数ペア:

[(1, 18427090), (2, 9213545), (5, 3685418), (10, 1842709), (11, 1675190), (22, 837595), (55, 335038), (97, 189970), (110, 167519), (121, 152290), (157, 117370), (194, 94985), (242, 76145), (314, 58685), (485, 37994), (605, 30458), (785, 23474), (970, 18997), (1067, 17270), (1210, 15229), (1570, 11737), (1727, 10670), (2134, 8635), (3454, 5335)]