19555425

素因数分解:

$3^6\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 84

約数和(自身を含む): 38626620

約数和(自身を除く): 19071195

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 37, 45, 75, 81, 87, 111, 135, 145, 185, 225, 243, 261, 333, 405, 435, 555, 675, 725, 729, 783, 925, 999, 1073, 1215, 1305, 1665, 2025, 2175, 2349, 2775, 2997, 3219, 3645, 3915, 4995, 5365, 6075, 6525, 7047, 8325, 8991, 9657, 11745, 14985, 16095, 18225, 19575, 21141, 24975, 26825, 26973, 28971, 35235, 44955, 48285, 58725, 74925, 80475, 86913, 105705, 134865, 144855, 176175, 224775, 241425, 260739, 434565, 528525, 674325, 724275, 782217, 1303695, 2172825, 3911085, 6518475, 19555425]

約数ペア:

[(1, 19555425), (3, 6518475), (5, 3911085), (9, 2172825), (15, 1303695), (25, 782217), (27, 724275), (29, 674325), (37, 528525), (45, 434565), (75, 260739), (81, 241425), (87, 224775), (111, 176175), (135, 144855), (145, 134865), (185, 105705), (225, 86913), (243, 80475), (261, 74925), (333, 58725), (405, 48285), (435, 44955), (555, 35235), (675, 28971), (725, 26973), (729, 26825), (783, 24975), (925, 21141), (999, 19575), (1073, 18225), (1215, 16095), (1305, 14985), (1665, 11745), (2025, 9657), (2175, 8991), (2349, 8325), (2775, 7047), (2997, 6525), (3219, 6075), (3645, 5365), (3915, 4995)]