18627900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 55663104

約数和(自身を除く): 37035204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2003, 2325, 3100, 4006, 4650, 6009, 8012, 9300, 10015, 12018, 20030, 24036, 30045, 40060, 50075, 60090, 62093, 100150, 120180, 124186, 150225, 186279, 200300, 248372, 300450, 310465, 372558, 600900, 620930, 745116, 931395, 1241860, 1552325, 1862790, 3104650, 3725580, 4656975, 6209300, 9313950, 18627900]

約数ペア:

[(1, 18627900), (2, 9313950), (3, 6209300), (4, 4656975), (5, 3725580), (6, 3104650), (10, 1862790), (12, 1552325), (15, 1241860), (20, 931395), (25, 745116), (30, 620930), (31, 600900), (50, 372558), (60, 310465), (62, 300450), (75, 248372), (93, 200300), (100, 186279), (124, 150225), (150, 124186), (155, 120180), (186, 100150), (300, 62093), (310, 60090), (372, 50075), (465, 40060), (620, 30045), (775, 24036), (930, 20030), (1550, 12018), (1860, 10015), (2003, 9300), (2325, 8012), (3100, 6009), (4006, 4650)]