19809210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32445510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1511, 2185, 2622, 3022, 4370, 4533, 6555, 7555, 9066, 13110, 15110, 22665, 28709, 34753, 45330, 57418, 69506, 86127, 104259, 143545, 172254, 173765, 208518, 287090, 347530, 430635, 521295, 660307, 861270, 1042590, 1320614, 1980921, 3301535, 3961842, 6603070, 9904605, 19809210]

約数ペア:

[(1, 19809210), (2, 9904605), (3, 6603070), (5, 3961842), (6, 3301535), (10, 1980921), (15, 1320614), (19, 1042590), (23, 861270), (30, 660307), (38, 521295), (46, 430635), (57, 347530), (69, 287090), (95, 208518), (114, 173765), (115, 172254), (138, 143545), (190, 104259), (230, 86127), (285, 69506), (345, 57418), (437, 45330), (570, 34753), (690, 28709), (874, 22665), (1311, 15110), (1511, 13110), (2185, 9066), (2622, 7555), (3022, 6555), (4370, 4533)]