19800924

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 54742800

約数和(自身を除く): 34941876

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1049, 1452, 1573, 1716, 2098, 3146, 3147, 4196, 4719, 6292, 6294, 9438, 11539, 12588, 13637, 18876, 23078, 27274, 34617, 40911, 46156, 54548, 69234, 81822, 126929, 138468, 150007, 163644, 253858, 300014, 380787, 450021, 507716, 600028, 761574, 900042, 1523148, 1650077, 1800084, 3300154, 4950231, 6600308, 9900462, 19800924]

約数ペア:

[(1, 19800924), (2, 9900462), (3, 6600308), (4, 4950231), (6, 3300154), (11, 1800084), (12, 1650077), (13, 1523148), (22, 900042), (26, 761574), (33, 600028), (39, 507716), (44, 450021), (52, 380787), (66, 300014), (78, 253858), (121, 163644), (132, 150007), (143, 138468), (156, 126929), (242, 81822), (286, 69234), (363, 54548), (429, 46156), (484, 40911), (572, 34617), (726, 27274), (858, 23078), (1049, 18876), (1452, 13637), (1573, 12588), (1716, 11539), (2098, 9438), (3146, 6294), (3147, 6292), (4196, 4719)]