19792212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 52106208

約数和(自身を除く): 32313996

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 121, 129, 132, 172, 242, 258, 317, 363, 473, 484, 516, 634, 726, 946, 951, 1268, 1419, 1452, 1892, 1902, 2838, 3487, 3804, 5203, 5676, 6974, 10406, 10461, 13631, 13948, 15609, 20812, 20922, 27262, 31218, 38357, 40893, 41844, 54524, 62436, 76714, 81786, 115071, 149941, 153428, 163572, 230142, 299882, 449823, 460284, 599764, 899646, 1649351, 1799292, 3298702, 4948053, 6597404, 9896106, 19792212]

約数ペア:

[(1, 19792212), (2, 9896106), (3, 6597404), (4, 4948053), (6, 3298702), (11, 1799292), (12, 1649351), (22, 899646), (33, 599764), (43, 460284), (44, 449823), (66, 299882), (86, 230142), (121, 163572), (129, 153428), (132, 149941), (172, 115071), (242, 81786), (258, 76714), (317, 62436), (363, 54524), (473, 41844), (484, 40893), (516, 38357), (634, 31218), (726, 27262), (946, 20922), (951, 20812), (1268, 15609), (1419, 13948), (1452, 13631), (1892, 10461), (1902, 10406), (2838, 6974), (3487, 5676), (3804, 5203)]