18862880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3803}}^1$

素因数の和:3849

約数の個数: 48

約数和(自身を含む): 46013184

約数和(自身を除く): 27150304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3803, 4960, 7606, 15212, 19015, 30424, 38030, 60848, 76060, 117893, 121696, 152120, 235786, 304240, 471572, 589465, 608480, 943144, 1178930, 1886288, 2357860, 3772576, 4715720, 9431440, 18862880]

約数ペア:

[(1, 18862880), (2, 9431440), (4, 4715720), (5, 3772576), (8, 2357860), (10, 1886288), (16, 1178930), (20, 943144), (31, 608480), (32, 589465), (40, 471572), (62, 304240), (80, 235786), (124, 152120), (155, 121696), (160, 117893), (248, 76060), (310, 60848), (496, 38030), (620, 30424), (992, 19015), (1240, 15212), (2480, 7606), (3803, 4960)]