19690290

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 112

約数和(自身を含む): 55323288

約数和(自身を除く): 35632998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 73, 74, 81, 90, 111, 135, 146, 162, 185, 219, 222, 243, 270, 333, 365, 370, 405, 438, 486, 555, 657, 666, 729, 730, 810, 999, 1095, 1110, 1215, 1314, 1458, 1665, 1971, 1998, 2190, 2430, 2701, 2997, 3285, 3330, 3645, 3942, 4995, 5402, 5913, 5994, 6570, 7290, 8103, 8991, 9855, 9990, 11826, 13505, 14985, 16206, 17739, 17982, 19710, 24309, 26973, 27010, 29565, 29970, 35478, 40515, 44955, 48618, 53217, 53946, 59130, 72927, 81030, 88695, 89910, 106434, 121545, 134865, 145854, 177390, 218781, 243090, 266085, 269730, 364635, 437562, 532170, 656343, 729270, 1093905, 1312686, 1969029, 2187810, 3281715, 3938058, 6563430, 9845145, 19690290]

約数ペア:

[(1, 19690290), (2, 9845145), (3, 6563430), (5, 3938058), (6, 3281715), (9, 2187810), (10, 1969029), (15, 1312686), (18, 1093905), (27, 729270), (30, 656343), (37, 532170), (45, 437562), (54, 364635), (73, 269730), (74, 266085), (81, 243090), (90, 218781), (111, 177390), (135, 145854), (146, 134865), (162, 121545), (185, 106434), (219, 89910), (222, 88695), (243, 81030), (270, 72927), (333, 59130), (365, 53946), (370, 53217), (405, 48618), (438, 44955), (486, 40515), (555, 35478), (657, 29970), (666, 29565), (729, 27010), (730, 26973), (810, 24309), (999, 19710), (1095, 17982), (1110, 17739), (1215, 16206), (1314, 14985), (1458, 13505), (1665, 11826), (1971, 9990), (1998, 9855), (2190, 8991), (2430, 8103), (2701, 7290), (2997, 6570), (3285, 5994), (3330, 5913), (3645, 5402), (3942, 4995)]