19830580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 52899840

約数和(自身を除く): 33069260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 79, 110, 140, 154, 158, 163, 220, 308, 316, 326, 385, 395, 553, 652, 770, 790, 815, 869, 1106, 1141, 1540, 1580, 1630, 1738, 1793, 2212, 2282, 2765, 3260, 3476, 3586, 4345, 4564, 5530, 5705, 6083, 7172, 8690, 8965, 11060, 11410, 12166, 12551, 12877, 17380, 17930, 22820, 24332, 25102, 25754, 30415, 35860, 50204, 51508, 60830, 62755, 64385, 90139, 121660, 125510, 128770, 141647, 180278, 251020, 257540, 283294, 360556, 450695, 566588, 708235, 901390, 991529, 1416470, 1802780, 1983058, 2832940, 3966116, 4957645, 9915290, 19830580]

約数ペア:

[(1, 19830580), (2, 9915290), (4, 4957645), (5, 3966116), (7, 2832940), (10, 1983058), (11, 1802780), (14, 1416470), (20, 991529), (22, 901390), (28, 708235), (35, 566588), (44, 450695), (55, 360556), (70, 283294), (77, 257540), (79, 251020), (110, 180278), (140, 141647), (154, 128770), (158, 125510), (163, 121660), (220, 90139), (308, 64385), (316, 62755), (326, 60830), (385, 51508), (395, 50204), (553, 35860), (652, 30415), (770, 25754), (790, 25102), (815, 24332), (869, 22820), (1106, 17930), (1141, 17380), (1540, 12877), (1580, 12551), (1630, 12166), (1738, 11410), (1793, 11060), (2212, 8965), (2282, 8690), (2765, 7172), (3260, 6083), (3476, 5705), (3586, 5530), (4345, 4564)]