18786840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3331}}^1$

素因数の和:3392

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 38790120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3331, 5640, 6662, 9993, 13324, 16655, 19986, 26648, 33310, 39972, 49965, 66620, 79944, 99930, 133240, 156557, 199860, 313114, 399720, 469671, 626228, 782785, 939342, 1252456, 1565570, 1878684, 2348355, 3131140, 3757368, 4696710, 6262280, 9393420, 18786840]

約数ペア:

[(1, 18786840), (2, 9393420), (3, 6262280), (4, 4696710), (5, 3757368), (6, 3131140), (8, 2348355), (10, 1878684), (12, 1565570), (15, 1252456), (20, 939342), (24, 782785), (30, 626228), (40, 469671), (47, 399720), (60, 313114), (94, 199860), (120, 156557), (141, 133240), (188, 99930), (235, 79944), (282, 66620), (376, 49965), (470, 39972), (564, 33310), (705, 26648), (940, 19986), (1128, 16655), (1410, 13324), (1880, 9993), (2820, 6662), (3331, 5640)]