18846268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 40340160

約数和(自身を除く): 21493892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 137, 238, 274, 289, 476, 548, 578, 959, 1156, 1918, 2023, 2329, 3836, 4046, 4658, 4913, 8092, 9316, 9826, 16303, 19652, 32606, 34391, 39593, 65212, 68782, 79186, 137564, 158372, 277151, 554302, 673081, 1108604, 1346162, 2692324, 4711567, 9423134, 18846268]

約数ペア:

[(1, 18846268), (2, 9423134), (4, 4711567), (7, 2692324), (14, 1346162), (17, 1108604), (28, 673081), (34, 554302), (68, 277151), (119, 158372), (137, 137564), (238, 79186), (274, 68782), (289, 65212), (476, 39593), (548, 34391), (578, 32606), (959, 19652), (1156, 16303), (1918, 9826), (2023, 9316), (2329, 8092), (3836, 4913), (4046, 4658)]