19919400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{33199}}^1$

素因数の和:33218

約数の個数: 48

約数和(自身を含む): 61752000

約数和(自身を除く): 41832600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 33199, 66398, 99597, 132796, 165995, 199194, 265592, 331990, 398388, 497985, 663980, 796776, 829975, 995970, 1327960, 1659950, 1991940, 2489925, 3319900, 3983880, 4979850, 6639800, 9959700, 19919400]

約数ペア:

[(1, 19919400), (2, 9959700), (3, 6639800), (4, 4979850), (5, 3983880), (6, 3319900), (8, 2489925), (10, 1991940), (12, 1659950), (15, 1327960), (20, 995970), (24, 829975), (25, 796776), (30, 663980), (40, 497985), (50, 398388), (60, 331990), (75, 265592), (100, 199194), (120, 165995), (150, 132796), (200, 99597), (300, 66398), (600, 33199)]