18983161240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{22613}}^1$

素因数の和:23332

約数の個数: 64

約数和(自身を含む): 44157000960

約数和(自身を除く): 25173839720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 677, 1240, 1354, 2708, 3385, 5416, 6770, 13540, 20987, 22613, 27080, 41974, 45226, 83948, 90452, 104935, 113065, 167896, 180904, 209870, 226130, 419740, 452260, 701003, 839480, 904520, 1402006, 2804012, 3505015, 5608024, 7010030, 14020060, 15309001, 28040120, 30618002, 61236004, 76545005, 122472008, 153090010, 306180020, 474579031, 612360040, 949158062, 1898316124, 2372895155, 3796632248, 4745790310, 9491580620, 18983161240]

約数ペア:

[(1, 18983161240), (2, 9491580620), (4, 4745790310), (5, 3796632248), (8, 2372895155), (10, 1898316124), (20, 949158062), (31, 612360040), (40, 474579031), (62, 306180020), (124, 153090010), (155, 122472008), (248, 76545005), (310, 61236004), (620, 30618002), (677, 28040120), (1240, 15309001), (1354, 14020060), (2708, 7010030), (3385, 5608024), (5416, 3505015), (6770, 2804012), (13540, 1402006), (20987, 904520), (22613, 839480), (27080, 701003), (41974, 452260), (45226, 419740), (83948, 226130), (90452, 209870), (104935, 180904), (113065, 167896)]