18069555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 35831808

約数和(自身を除く): 17762253

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 53, 85, 105, 119, 159, 191, 255, 265, 357, 371, 573, 595, 795, 901, 955, 1113, 1337, 1785, 1855, 2703, 2865, 3247, 4011, 4505, 5565, 6307, 6685, 9741, 10123, 13515, 16235, 18921, 20055, 22729, 30369, 31535, 48705, 50615, 68187, 70861, 94605, 113645, 151845, 172091, 212583, 340935, 354305, 516273, 860455, 1062915, 1204637, 2581365, 3613911, 6023185, 18069555]

約数ペア:

[(1, 18069555), (3, 6023185), (5, 3613911), (7, 2581365), (15, 1204637), (17, 1062915), (21, 860455), (35, 516273), (51, 354305), (53, 340935), (85, 212583), (105, 172091), (119, 151845), (159, 113645), (191, 94605), (255, 70861), (265, 68187), (357, 50615), (371, 48705), (573, 31535), (595, 30369), (795, 22729), (901, 20055), (955, 18921), (1113, 16235), (1337, 13515), (1785, 10123), (1855, 9741), (2703, 6685), (2865, 6307), (3247, 5565), (4011, 4505)]