19736080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2744

約数の個数: 80

約数和(自身を含む): 56496384

約数和(自身を除く): 36760304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2711, 3640, 5422, 7280, 10844, 13555, 18977, 21688, 27110, 35243, 37954, 43376, 54220, 70486, 75908, 94885, 108440, 140972, 151816, 176215, 189770, 216880, 246701, 281944, 303632, 352430, 379540, 493402, 563888, 704860, 759080, 986804, 1233505, 1409720, 1518160, 1973608, 2467010, 2819440, 3947216, 4934020, 9868040, 19736080]

約数ペア:

[(1, 19736080), (2, 9868040), (4, 4934020), (5, 3947216), (7, 2819440), (8, 2467010), (10, 1973608), (13, 1518160), (14, 1409720), (16, 1233505), (20, 986804), (26, 759080), (28, 704860), (35, 563888), (40, 493402), (52, 379540), (56, 352430), (65, 303632), (70, 281944), (80, 246701), (91, 216880), (104, 189770), (112, 176215), (130, 151816), (140, 140972), (182, 108440), (208, 94885), (260, 75908), (280, 70486), (364, 54220), (455, 43376), (520, 37954), (560, 35243), (728, 27110), (910, 21688), (1040, 18977), (1456, 13555), (1820, 10844), (2711, 7280), (3640, 5422)]