19873952

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 47656224

約数和(自身を除く): 27782272

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 307, 476, 544, 578, 614, 952, 1156, 1228, 1904, 2023, 2149, 2312, 2456, 3808, 4046, 4298, 4624, 4912, 5219, 8092, 8596, 9248, 9824, 10438, 16184, 17192, 20876, 32368, 34384, 36533, 41752, 64736, 68768, 73066, 83504, 88723, 146132, 167008, 177446, 292264, 354892, 584528, 621061, 709784, 1169056, 1242122, 1419568, 2484244, 2839136, 4968488, 9936976, 19873952]

約数ペア:

[(1, 19873952), (2, 9936976), (4, 4968488), (7, 2839136), (8, 2484244), (14, 1419568), (16, 1242122), (17, 1169056), (28, 709784), (32, 621061), (34, 584528), (56, 354892), (68, 292264), (112, 177446), (119, 167008), (136, 146132), (224, 88723), (238, 83504), (272, 73066), (289, 68768), (307, 64736), (476, 41752), (544, 36533), (578, 34384), (614, 32368), (952, 20876), (1156, 17192), (1228, 16184), (1904, 10438), (2023, 9824), (2149, 9248), (2312, 8596), (2456, 8092), (3808, 5219), (4046, 4912), (4298, 4624)]