19998450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2376

約数の個数: 72

約数和(自身を含む): 56581200

約数和(自身を除く): 36582750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2339, 2850, 4275, 4678, 7017, 8550, 11695, 14034, 21051, 23390, 35085, 42102, 44441, 58475, 70170, 88882, 105255, 116950, 133323, 175425, 210510, 222205, 266646, 350850, 399969, 444410, 526275, 666615, 799938, 1052550, 1111025, 1333230, 1999845, 2222050, 3333075, 3999690, 6666150, 9999225, 19998450]

約数ペア:

[(1, 19998450), (2, 9999225), (3, 6666150), (5, 3999690), (6, 3333075), (9, 2222050), (10, 1999845), (15, 1333230), (18, 1111025), (19, 1052550), (25, 799938), (30, 666615), (38, 526275), (45, 444410), (50, 399969), (57, 350850), (75, 266646), (90, 222205), (95, 210510), (114, 175425), (150, 133323), (171, 116950), (190, 105255), (225, 88882), (285, 70170), (342, 58475), (450, 44441), (475, 42102), (570, 35085), (855, 23390), (950, 21051), (1425, 14034), (1710, 11695), (2339, 8550), (2850, 7017), (4275, 4678)]