18088920

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{1861}}^1$

素因数の和:1887

約数の個数: 96

約数和(自身を含む): 60999120

約数和(自身を除く): 42910200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1861, 1944, 2430, 3240, 3722, 4860, 5583, 7444, 9305, 9720, 11166, 14888, 16749, 18610, 22332, 27915, 33498, 37220, 44664, 50247, 55830, 66996, 74440, 83745, 100494, 111660, 133992, 150741, 167490, 200988, 223320, 251235, 301482, 334980, 401976, 452223, 502470, 602964, 669960, 753705, 904446, 1004940, 1205928, 1507410, 1808892, 2009880, 2261115, 3014820, 3617784, 4522230, 6029640, 9044460, 18088920]

約数ペア:

[(1, 18088920), (2, 9044460), (3, 6029640), (4, 4522230), (5, 3617784), (6, 3014820), (8, 2261115), (9, 2009880), (10, 1808892), (12, 1507410), (15, 1205928), (18, 1004940), (20, 904446), (24, 753705), (27, 669960), (30, 602964), (36, 502470), (40, 452223), (45, 401976), (54, 334980), (60, 301482), (72, 251235), (81, 223320), (90, 200988), (108, 167490), (120, 150741), (135, 133992), (162, 111660), (180, 100494), (216, 83745), (243, 74440), (270, 66996), (324, 55830), (360, 50247), (405, 44664), (486, 37220), (540, 33498), (648, 27915), (810, 22332), (972, 18610), (1080, 16749), (1215, 14888), (1620, 11166), (1861, 9720), (1944, 9305), (2430, 7444), (3240, 5583), (3722, 4860)]