19515608

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 44193600

約数和(自身を除く): 24677992

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 61, 116, 122, 197, 203, 232, 244, 394, 406, 427, 488, 788, 812, 854, 1379, 1576, 1624, 1708, 1769, 2758, 3416, 3538, 5516, 5713, 7076, 11032, 11426, 12017, 12383, 14152, 22852, 24034, 24766, 39991, 45704, 48068, 49532, 79982, 84119, 96136, 99064, 159964, 168238, 319928, 336476, 348493, 672952, 696986, 1393972, 2439451, 2787944, 4878902, 9757804, 19515608]

約数ペア:

[(1, 19515608), (2, 9757804), (4, 4878902), (7, 2787944), (8, 2439451), (14, 1393972), (28, 696986), (29, 672952), (56, 348493), (58, 336476), (61, 319928), (116, 168238), (122, 159964), (197, 99064), (203, 96136), (232, 84119), (244, 79982), (394, 49532), (406, 48068), (427, 45704), (488, 39991), (788, 24766), (812, 24034), (854, 22852), (1379, 14152), (1576, 12383), (1624, 12017), (1708, 11426), (1769, 11032), (2758, 7076), (3416, 5713), (3538, 5516)]