18993000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 63947520

約数和(自身を除く): 44954520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 487, 500, 520, 600, 650, 750, 780, 974, 975, 1000, 1300, 1461, 1500, 1560, 1625, 1948, 1950, 2435, 2600, 2922, 3000, 3250, 3896, 3900, 4870, 4875, 5844, 6331, 6500, 7305, 7800, 9740, 9750, 11688, 12175, 12662, 13000, 14610, 18993, 19480, 19500, 24350, 25324, 29220, 31655, 36525, 37986, 39000, 48700, 50648, 58440, 60875, 63310, 73050, 75972, 94965, 97400, 121750, 126620, 146100, 151944, 158275, 182625, 189930, 243500, 253240, 292200, 316550, 365250, 379860, 474825, 487000, 633100, 730500, 759720, 791375, 949650, 1266200, 1461000, 1582750, 1899300, 2374125, 3165500, 3798600, 4748250, 6331000, 9496500, 18993000]

約数ペア:

[(1, 18993000), (2, 9496500), (3, 6331000), (4, 4748250), (5, 3798600), (6, 3165500), (8, 2374125), (10, 1899300), (12, 1582750), (13, 1461000), (15, 1266200), (20, 949650), (24, 791375), (25, 759720), (26, 730500), (30, 633100), (39, 487000), (40, 474825), (50, 379860), (52, 365250), (60, 316550), (65, 292200), (75, 253240), (78, 243500), (100, 189930), (104, 182625), (120, 158275), (125, 151944), (130, 146100), (150, 126620), (156, 121750), (195, 97400), (200, 94965), (250, 75972), (260, 73050), (300, 63310), (312, 60875), (325, 58440), (375, 50648), (390, 48700), (487, 39000), (500, 37986), (520, 36525), (600, 31655), (650, 29220), (750, 25324), (780, 24350), (974, 19500), (975, 19480), (1000, 18993), (1300, 14610), (1461, 13000), (1500, 12662), (1560, 12175), (1625, 11688), (1948, 9750), (1950, 9740), (2435, 7800), (2600, 7305), (2922, 6500), (3000, 6331), (3250, 5844), (3896, 4875), (3900, 4870)]