19013220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 58791096

約数和(自身を除く): 39777876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 1993, 2385, 3180, 3986, 4770, 5979, 7972, 9540, 9965, 11958, 17937, 19930, 23916, 29895, 35874, 39860, 59790, 71748, 89685, 105629, 119580, 179370, 211258, 316887, 358740, 422516, 528145, 633774, 950661, 1056290, 1267548, 1584435, 1901322, 2112580, 3168870, 3802644, 4753305, 6337740, 9506610, 19013220]

約数ペア:

[(1, 19013220), (2, 9506610), (3, 6337740), (4, 4753305), (5, 3802644), (6, 3168870), (9, 2112580), (10, 1901322), (12, 1584435), (15, 1267548), (18, 1056290), (20, 950661), (30, 633774), (36, 528145), (45, 422516), (53, 358740), (60, 316887), (90, 211258), (106, 179370), (159, 119580), (180, 105629), (212, 89685), (265, 71748), (318, 59790), (477, 39860), (530, 35874), (636, 29895), (795, 23916), (954, 19930), (1060, 17937), (1590, 11958), (1908, 9965), (1993, 9540), (2385, 7972), (3180, 5979), (3986, 4770)]