18020300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5813}}^1$

素因数の和:5858

約数の個数: 36

約数和(自身を含む): 40372416

約数和(自身を除く): 22352116

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 5813, 11626, 23252, 29065, 58130, 116260, 145325, 180203, 290650, 360406, 581300, 720812, 901015, 1802030, 3604060, 4505075, 9010150, 18020300]

約数ペア:

[(1, 18020300), (2, 9010150), (4, 4505075), (5, 3604060), (10, 1802030), (20, 901015), (25, 720812), (31, 581300), (50, 360406), (62, 290650), (100, 180203), (124, 145325), (155, 116260), (310, 58130), (620, 29065), (775, 23252), (1550, 11626), (3100, 5813)]