18919950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 55186944

約数和(自身を除く): 36266994

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 37, 42, 50, 70, 74, 75, 105, 111, 150, 175, 185, 210, 222, 259, 350, 370, 487, 518, 525, 555, 777, 925, 974, 1050, 1110, 1295, 1461, 1554, 1850, 2435, 2590, 2775, 2922, 3409, 3885, 4870, 5550, 6475, 6818, 7305, 7770, 10227, 12175, 12950, 14610, 17045, 18019, 19425, 20454, 24350, 34090, 36038, 36525, 38850, 51135, 54057, 73050, 85225, 90095, 102270, 108114, 126133, 170450, 180190, 252266, 255675, 270285, 378399, 450475, 511350, 540570, 630665, 756798, 900950, 1261330, 1351425, 1891995, 2702850, 3153325, 3783990, 6306650, 9459975, 18919950]

約数ペア:

[(1, 18919950), (2, 9459975), (3, 6306650), (5, 3783990), (6, 3153325), (7, 2702850), (10, 1891995), (14, 1351425), (15, 1261330), (21, 900950), (25, 756798), (30, 630665), (35, 540570), (37, 511350), (42, 450475), (50, 378399), (70, 270285), (74, 255675), (75, 252266), (105, 180190), (111, 170450), (150, 126133), (175, 108114), (185, 102270), (210, 90095), (222, 85225), (259, 73050), (350, 54057), (370, 51135), (487, 38850), (518, 36525), (525, 36038), (555, 34090), (777, 24350), (925, 20454), (974, 19425), (1050, 18019), (1110, 17045), (1295, 14610), (1461, 12950), (1554, 12175), (1850, 10227), (2435, 7770), (2590, 7305), (2775, 6818), (2922, 6475), (3409, 5550), (3885, 4870)]