18983880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52733}}^1$

素因数の和:52750

約数の個数: 48

約数和(自身を含む): 61698780

約数和(自身を除く): 42714900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52733, 105466, 158199, 210932, 263665, 316398, 421864, 474597, 527330, 632796, 790995, 949194, 1054660, 1265592, 1581990, 1898388, 2109320, 2372985, 3163980, 3796776, 4745970, 6327960, 9491940, 18983880]

約数ペア:

[(1, 18983880), (2, 9491940), (3, 6327960), (4, 4745970), (5, 3796776), (6, 3163980), (8, 2372985), (9, 2109320), (10, 1898388), (12, 1581990), (15, 1265592), (18, 1054660), (20, 949194), (24, 790995), (30, 632796), (36, 527330), (40, 474597), (45, 421864), (60, 316398), (72, 263665), (90, 210932), (120, 158199), (180, 105466), (360, 52733)]