19128900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9109}}^1$

素因数の和:9133

約数の個数: 72

約数和(自身を含む): 63259840

約数和(自身を除く): 44130940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9109, 18218, 27327, 36436, 45545, 54654, 63763, 91090, 109308, 127526, 136635, 182180, 191289, 227725, 255052, 273270, 318815, 382578, 455450, 546540, 637630, 683175, 765156, 910900, 956445, 1275260, 1366350, 1594075, 1912890, 2732700, 3188150, 3825780, 4782225, 6376300, 9564450, 19128900]

約数ペア:

[(1, 19128900), (2, 9564450), (3, 6376300), (4, 4782225), (5, 3825780), (6, 3188150), (7, 2732700), (10, 1912890), (12, 1594075), (14, 1366350), (15, 1275260), (20, 956445), (21, 910900), (25, 765156), (28, 683175), (30, 637630), (35, 546540), (42, 455450), (50, 382578), (60, 318815), (70, 273270), (75, 255052), (84, 227725), (100, 191289), (105, 182180), (140, 136635), (150, 127526), (175, 109308), (210, 91090), (300, 63763), (350, 54654), (420, 45545), (525, 36436), (700, 27327), (1050, 18218), (2100, 9109)]