19804356

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3881

約数の個数: 72

約数和(自身を含む): 58828224

約数和(自身を除く): 39023868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3847, 5148, 7694, 11541, 15388, 23082, 34623, 42317, 46164, 50011, 69246, 84634, 100022, 126951, 138492, 150033, 169268, 200044, 253902, 300066, 380853, 450099, 507804, 550121, 600132, 761706, 900198, 1100242, 1523412, 1650363, 1800396, 2200484, 3300726, 4951089, 6601452, 9902178, 19804356]

約数ペア:

[(1, 19804356), (2, 9902178), (3, 6601452), (4, 4951089), (6, 3300726), (9, 2200484), (11, 1800396), (12, 1650363), (13, 1523412), (18, 1100242), (22, 900198), (26, 761706), (33, 600132), (36, 550121), (39, 507804), (44, 450099), (52, 380853), (66, 300066), (78, 253902), (99, 200044), (117, 169268), (132, 150033), (143, 138492), (156, 126951), (198, 100022), (234, 84634), (286, 69246), (396, 50011), (429, 46164), (468, 42317), (572, 34623), (858, 23082), (1287, 15388), (1716, 11541), (2574, 7694), (3847, 5148)]