19931190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 31217610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 479, 570, 730, 958, 1095, 1387, 1437, 2190, 2395, 2774, 2874, 4161, 4790, 6935, 7185, 8322, 9101, 13870, 14370, 18202, 20805, 27303, 34967, 41610, 45505, 54606, 69934, 91010, 104901, 136515, 174835, 209802, 273030, 349670, 524505, 664373, 1049010, 1328746, 1993119, 3321865, 3986238, 6643730, 9965595, 19931190]

約数ペア:

[(1, 19931190), (2, 9965595), (3, 6643730), (5, 3986238), (6, 3321865), (10, 1993119), (15, 1328746), (19, 1049010), (30, 664373), (38, 524505), (57, 349670), (73, 273030), (95, 209802), (114, 174835), (146, 136515), (190, 104901), (219, 91010), (285, 69934), (365, 54606), (438, 45505), (479, 41610), (570, 34967), (730, 27303), (958, 20805), (1095, 18202), (1387, 14370), (1437, 13870), (2190, 9101), (2395, 8322), (2774, 7185), (2874, 6935), (4161, 4790)]