18963793436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{104309}}^1$

素因数の和:104514

約数の個数: 48

約数和(自身を含む): 39067015680

約数和(自身を除く): 20103222244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 151, 172, 301, 302, 602, 604, 1057, 1204, 2114, 4228, 6493, 12986, 25972, 45451, 90902, 104309, 181804, 208618, 417236, 730163, 1460326, 2920652, 4485287, 8970574, 15750659, 17941148, 31397009, 31501318, 62794018, 63002636, 110254613, 125588036, 220509226, 441018452, 677278337, 1354556674, 2709113348, 4740948359, 9481896718, 18963793436]

約数ペア:

[(1, 18963793436), (2, 9481896718), (4, 4740948359), (7, 2709113348), (14, 1354556674), (28, 677278337), (43, 441018452), (86, 220509226), (151, 125588036), (172, 110254613), (301, 63002636), (302, 62794018), (602, 31501318), (604, 31397009), (1057, 17941148), (1204, 15750659), (2114, 8970574), (4228, 4485287), (6493, 2920652), (12986, 1460326), (25972, 730163), (45451, 417236), (90902, 208618), (104309, 181804)]