19722360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 69050880

約数和(自身を除く): 49328520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 443, 530, 636, 742, 795, 840, 886, 1060, 1113, 1272, 1329, 1484, 1590, 1772, 1855, 2120, 2215, 2226, 2658, 2968, 3101, 3180, 3544, 3710, 4430, 4452, 5316, 5565, 6202, 6360, 6645, 7420, 8860, 8904, 9303, 10632, 11130, 12404, 13290, 14840, 15505, 17720, 18606, 22260, 23479, 24808, 26580, 31010, 37212, 44520, 46515, 46958, 53160, 62020, 70437, 74424, 93030, 93916, 117395, 124040, 140874, 164353, 186060, 187832, 234790, 281748, 328706, 352185, 372120, 469580, 493059, 563496, 657412, 704370, 821765, 939160, 986118, 1314824, 1408740, 1643530, 1972236, 2465295, 2817480, 3287060, 3944472, 4930590, 6574120, 9861180, 19722360]

約数ペア:

[(1, 19722360), (2, 9861180), (3, 6574120), (4, 4930590), (5, 3944472), (6, 3287060), (7, 2817480), (8, 2465295), (10, 1972236), (12, 1643530), (14, 1408740), (15, 1314824), (20, 986118), (21, 939160), (24, 821765), (28, 704370), (30, 657412), (35, 563496), (40, 493059), (42, 469580), (53, 372120), (56, 352185), (60, 328706), (70, 281748), (84, 234790), (105, 187832), (106, 186060), (120, 164353), (140, 140874), (159, 124040), (168, 117395), (210, 93916), (212, 93030), (265, 74424), (280, 70437), (318, 62020), (371, 53160), (420, 46958), (424, 46515), (443, 44520), (530, 37212), (636, 31010), (742, 26580), (795, 24808), (840, 23479), (886, 22260), (1060, 18606), (1113, 17720), (1272, 15505), (1329, 14840), (1484, 13290), (1590, 12404), (1772, 11130), (1855, 10632), (2120, 9303), (2215, 8904), (2226, 8860), (2658, 7420), (2968, 6645), (3101, 6360), (3180, 6202), (3544, 5565), (3710, 5316), (4430, 4452)]