19691252

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 41112960

約数和(自身を除く): 21421708

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 229, 259, 332, 458, 518, 581, 916, 1036, 1162, 1603, 2324, 3071, 3206, 6142, 6412, 8473, 12284, 16946, 19007, 21497, 33892, 38014, 42994, 59311, 76028, 85988, 118622, 133049, 237244, 266098, 532196, 703259, 1406518, 2813036, 4922813, 9845626, 19691252]

約数ペア:

[(1, 19691252), (2, 9845626), (4, 4922813), (7, 2813036), (14, 1406518), (28, 703259), (37, 532196), (74, 266098), (83, 237244), (148, 133049), (166, 118622), (229, 85988), (259, 76028), (332, 59311), (458, 42994), (518, 38014), (581, 33892), (916, 21497), (1036, 19007), (1162, 16946), (1603, 12284), (2324, 8473), (3071, 6412), (3206, 6142)]