19519276

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 21236180

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 227, 259, 332, 454, 518, 581, 908, 1036, 1162, 1589, 2324, 3071, 3178, 6142, 6356, 8399, 12284, 16798, 18841, 21497, 33596, 37682, 42994, 58793, 75364, 85988, 117586, 131887, 235172, 263774, 527548, 697117, 1394234, 2788468, 4879819, 9759638, 19519276]

約数ペア:

[(1, 19519276), (2, 9759638), (4, 4879819), (7, 2788468), (14, 1394234), (28, 697117), (37, 527548), (74, 263774), (83, 235172), (148, 131887), (166, 117586), (227, 85988), (259, 75364), (332, 58793), (454, 42994), (518, 37682), (581, 33596), (908, 21497), (1036, 18841), (1162, 16798), (1589, 12284), (2324, 8399), (3071, 6356), (3178, 6142)]