18986700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3367

約数の個数: 72

約数和(自身を含む): 57843520

約数和(自身を除く): 38856820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3331, 5700, 6662, 9993, 13324, 16655, 19986, 33310, 39972, 49965, 63289, 66620, 83275, 99930, 126578, 166550, 189867, 199860, 249825, 253156, 316445, 333100, 379734, 499650, 632890, 759468, 949335, 999300, 1265780, 1582225, 1898670, 3164450, 3797340, 4746675, 6328900, 9493350, 18986700]

約数ペア:

[(1, 18986700), (2, 9493350), (3, 6328900), (4, 4746675), (5, 3797340), (6, 3164450), (10, 1898670), (12, 1582225), (15, 1265780), (19, 999300), (20, 949335), (25, 759468), (30, 632890), (38, 499650), (50, 379734), (57, 333100), (60, 316445), (75, 253156), (76, 249825), (95, 199860), (100, 189867), (114, 166550), (150, 126578), (190, 99930), (228, 83275), (285, 66620), (300, 63289), (380, 49965), (475, 39972), (570, 33310), (950, 19986), (1140, 16655), (1425, 13324), (1900, 9993), (2850, 6662), (3331, 5700)]