19906500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 60592896

約数和(自身を除く): 40686396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 138, 150, 230, 250, 276, 300, 345, 375, 460, 500, 575, 577, 690, 750, 1150, 1154, 1380, 1500, 1725, 1731, 2300, 2308, 2875, 2885, 3450, 3462, 5750, 5770, 6900, 6924, 8625, 8655, 11500, 11540, 13271, 14425, 17250, 17310, 26542, 28850, 34500, 34620, 39813, 43275, 53084, 57700, 66355, 72125, 79626, 86550, 132710, 144250, 159252, 173100, 199065, 216375, 265420, 288500, 331775, 398130, 432750, 663550, 796260, 865500, 995325, 1327100, 1658875, 1990650, 3317750, 3981300, 4976625, 6635500, 9953250, 19906500]

約数ペア:

[(1, 19906500), (2, 9953250), (3, 6635500), (4, 4976625), (5, 3981300), (6, 3317750), (10, 1990650), (12, 1658875), (15, 1327100), (20, 995325), (23, 865500), (25, 796260), (30, 663550), (46, 432750), (50, 398130), (60, 331775), (69, 288500), (75, 265420), (92, 216375), (100, 199065), (115, 173100), (125, 159252), (138, 144250), (150, 132710), (230, 86550), (250, 79626), (276, 72125), (300, 66355), (345, 57700), (375, 53084), (460, 43275), (500, 39813), (575, 34620), (577, 34500), (690, 28850), (750, 26542), (1150, 17310), (1154, 17250), (1380, 14425), (1500, 13271), (1725, 11540), (1731, 11500), (2300, 8655), (2308, 8625), (2875, 6924), (2885, 6900), (3450, 5770), (3462, 5750)]