19160456

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 42979200

約数和(自身を除く): 23818744

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 73, 86, 109, 146, 172, 218, 292, 301, 344, 436, 511, 584, 602, 763, 872, 1022, 1204, 1526, 2044, 2408, 3052, 3139, 4088, 4687, 6104, 6278, 7957, 9374, 12556, 15914, 18748, 21973, 25112, 31828, 32809, 37496, 43946, 55699, 63656, 65618, 87892, 111398, 131236, 175784, 222796, 262472, 342151, 445592, 684302, 1368604, 2395057, 2737208, 4790114, 9580228, 19160456]

約数ペア:

[(1, 19160456), (2, 9580228), (4, 4790114), (7, 2737208), (8, 2395057), (14, 1368604), (28, 684302), (43, 445592), (56, 342151), (73, 262472), (86, 222796), (109, 175784), (146, 131236), (172, 111398), (218, 87892), (292, 65618), (301, 63656), (344, 55699), (436, 43946), (511, 37496), (584, 32809), (602, 31828), (763, 25112), (872, 21973), (1022, 18748), (1204, 15914), (1526, 12556), (2044, 9374), (2408, 7957), (3052, 6278), (3139, 6104), (4088, 4687)]