19983480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15139}}^1$

素因数の和:15164

約数の個数: 64

約数和(自身を含む): 65404800

約数和(自身を除く): 45421320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15139, 30278, 45417, 60556, 75695, 90834, 121112, 151390, 166529, 181668, 227085, 302780, 333058, 363336, 454170, 499587, 605560, 666116, 832645, 908340, 999174, 1332232, 1665290, 1816680, 1998348, 2497935, 3330580, 3996696, 4995870, 6661160, 9991740, 19983480]

約数ペア:

[(1, 19983480), (2, 9991740), (3, 6661160), (4, 4995870), (5, 3996696), (6, 3330580), (8, 2497935), (10, 1998348), (11, 1816680), (12, 1665290), (15, 1332232), (20, 999174), (22, 908340), (24, 832645), (30, 666116), (33, 605560), (40, 499587), (44, 454170), (55, 363336), (60, 333058), (66, 302780), (88, 227085), (110, 181668), (120, 166529), (132, 151390), (165, 121112), (220, 90834), (264, 75695), (330, 60556), (440, 45417), (660, 30278), (1320, 15139)]