19900132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22774556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 431, 476, 679, 862, 1358, 1649, 1724, 2716, 3017, 3298, 6034, 6596, 7327, 11543, 12068, 14654, 23086, 29308, 41807, 46172, 51289, 83614, 102578, 167228, 205156, 292649, 585298, 710719, 1170596, 1421438, 2842876, 4975033, 9950066, 19900132]

約数ペア:

[(1, 19900132), (2, 9950066), (4, 4975033), (7, 2842876), (14, 1421438), (17, 1170596), (28, 710719), (34, 585298), (68, 292649), (97, 205156), (119, 167228), (194, 102578), (238, 83614), (388, 51289), (431, 46172), (476, 41807), (679, 29308), (862, 23086), (1358, 14654), (1649, 12068), (1724, 11543), (2716, 7327), (3017, 6596), (3298, 6034)]