18774420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44701}}^1$

素因数の和:44720

約数の個数: 48

約数和(自身を含む): 60079488

約数和(自身を除く): 41305068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44701, 89402, 134103, 178804, 223505, 268206, 312907, 447010, 536412, 625814, 670515, 894020, 938721, 1251628, 1341030, 1564535, 1877442, 2682060, 3129070, 3754884, 4693605, 6258140, 9387210, 18774420]

約数ペア:

[(1, 18774420), (2, 9387210), (3, 6258140), (4, 4693605), (5, 3754884), (6, 3129070), (7, 2682060), (10, 1877442), (12, 1564535), (14, 1341030), (15, 1251628), (20, 938721), (21, 894020), (28, 670515), (30, 625814), (35, 536412), (42, 447010), (60, 312907), (70, 268206), (84, 223505), (105, 178804), (140, 134103), (210, 89402), (420, 44701)]