19057220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 50765568

約数和(自身を除く): 31708348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 283, 364, 370, 455, 481, 518, 566, 740, 910, 962, 1036, 1132, 1295, 1415, 1820, 1924, 1981, 2405, 2590, 2830, 3367, 3679, 3962, 4810, 5180, 5660, 6734, 7358, 7924, 9620, 9905, 10471, 13468, 14716, 16835, 18395, 19810, 20942, 25753, 33670, 36790, 39620, 41884, 51506, 52355, 67340, 73297, 73580, 103012, 104710, 128765, 136123, 146594, 209420, 257530, 272246, 293188, 366485, 515060, 544492, 680615, 732970, 952861, 1361230, 1465940, 1905722, 2722460, 3811444, 4764305, 9528610, 19057220]

約数ペア:

[(1, 19057220), (2, 9528610), (4, 4764305), (5, 3811444), (7, 2722460), (10, 1905722), (13, 1465940), (14, 1361230), (20, 952861), (26, 732970), (28, 680615), (35, 544492), (37, 515060), (52, 366485), (65, 293188), (70, 272246), (74, 257530), (91, 209420), (130, 146594), (140, 136123), (148, 128765), (182, 104710), (185, 103012), (259, 73580), (260, 73297), (283, 67340), (364, 52355), (370, 51506), (455, 41884), (481, 39620), (518, 36790), (566, 33670), (740, 25753), (910, 20942), (962, 19810), (1036, 18395), (1132, 16835), (1295, 14716), (1415, 13468), (1820, 10471), (1924, 9905), (1981, 9620), (2405, 7924), (2590, 7358), (2830, 6734), (3367, 5660), (3679, 5180), (3962, 4810)]