19128525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 35581056

約数和(自身を除く): 16452531

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 853, 897, 975, 1495, 1725, 2559, 4265, 4485, 7475, 11089, 12795, 19619, 21325, 22425, 33267, 55445, 58857, 63975, 98095, 166335, 255047, 277225, 294285, 490475, 765141, 831675, 1275235, 1471425, 3825705, 6376175, 19128525]

約数ペア:

[(1, 19128525), (3, 6376175), (5, 3825705), (13, 1471425), (15, 1275235), (23, 831675), (25, 765141), (39, 490475), (65, 294285), (69, 277225), (75, 255047), (115, 166335), (195, 98095), (299, 63975), (325, 58857), (345, 55445), (575, 33267), (853, 22425), (897, 21325), (975, 19619), (1495, 12795), (1725, 11089), (2559, 7475), (4265, 4485)]