18707752

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 43528320

約数和(自身を除く): 24820568

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 457, 476, 602, 731, 914, 952, 1204, 1462, 1828, 2408, 2924, 3199, 3656, 5117, 5848, 6398, 7769, 10234, 12796, 15538, 19651, 20468, 25592, 31076, 39302, 40936, 54383, 62152, 78604, 108766, 137557, 157208, 217532, 275114, 334067, 435064, 550228, 668134, 1100456, 1336268, 2338469, 2672536, 4676938, 9353876, 18707752]

約数ペア:

[(1, 18707752), (2, 9353876), (4, 4676938), (7, 2672536), (8, 2338469), (14, 1336268), (17, 1100456), (28, 668134), (34, 550228), (43, 435064), (56, 334067), (68, 275114), (86, 217532), (119, 157208), (136, 137557), (172, 108766), (238, 78604), (301, 62152), (344, 54383), (457, 40936), (476, 39302), (602, 31076), (731, 25592), (914, 20468), (952, 19651), (1204, 15538), (1462, 12796), (1828, 10234), (2408, 7769), (2924, 6398), (3199, 5848), (3656, 5117)]