19530416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 40778640

約数和(自身を除く): 21248224

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1217, 2006, 2434, 4012, 4868, 8024, 9736, 16048, 19472, 20689, 41378, 71803, 82756, 143606, 165512, 287212, 331024, 574424, 1148848, 1220651, 2441302, 4882604, 9765208, 19530416]

約数ペア:

[(1, 19530416), (2, 9765208), (4, 4882604), (8, 2441302), (16, 1220651), (17, 1148848), (34, 574424), (59, 331024), (68, 287212), (118, 165512), (136, 143606), (236, 82756), (272, 71803), (472, 41378), (944, 20689), (1003, 19472), (1217, 16048), (2006, 9736), (2434, 8024), (4012, 4868)]