19986162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 28225038

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 61, 87, 122, 174, 183, 203, 269, 366, 406, 427, 538, 609, 807, 854, 1218, 1281, 1614, 1769, 1883, 2562, 3538, 3766, 5307, 5649, 7801, 10614, 11298, 12383, 15602, 16409, 23403, 24766, 32818, 37149, 46806, 49227, 54607, 74298, 98454, 109214, 114863, 163821, 229726, 327642, 344589, 475861, 689178, 951722, 1427583, 2855166, 3331027, 6662054, 9993081, 19986162]

約数ペア:

[(1, 19986162), (2, 9993081), (3, 6662054), (6, 3331027), (7, 2855166), (14, 1427583), (21, 951722), (29, 689178), (42, 475861), (58, 344589), (61, 327642), (87, 229726), (122, 163821), (174, 114863), (183, 109214), (203, 98454), (269, 74298), (366, 54607), (406, 49227), (427, 46806), (538, 37149), (609, 32818), (807, 24766), (854, 23403), (1218, 16409), (1281, 15602), (1614, 12383), (1769, 11298), (1883, 10614), (2562, 7801), (3538, 5649), (3766, 5307)]