18487494

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 44505600

約数和(自身を除く): 26018106

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 487, 513, 666, 703, 974, 999, 1026, 1406, 1461, 1998, 2109, 2922, 4218, 4383, 6327, 8766, 9253, 12654, 13149, 18019, 18506, 18981, 26298, 27759, 36038, 37962, 54057, 55518, 83277, 108114, 162171, 166554, 249831, 324342, 342361, 486513, 499662, 684722, 973026, 1027083, 2054166, 3081249, 6162498, 9243747, 18487494]

約数ペア:

[(1, 18487494), (2, 9243747), (3, 6162498), (6, 3081249), (9, 2054166), (18, 1027083), (19, 973026), (27, 684722), (37, 499662), (38, 486513), (54, 342361), (57, 324342), (74, 249831), (111, 166554), (114, 162171), (171, 108114), (222, 83277), (333, 55518), (342, 54057), (487, 37962), (513, 36038), (666, 27759), (703, 26298), (974, 18981), (999, 18506), (1026, 18019), (1406, 13149), (1461, 12654), (1998, 9253), (2109, 8766), (2922, 6327), (4218, 4383)]