19724328

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1621}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 57881070

約数和(自身を除く): 38156742

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1621, 2028, 3042, 3242, 4056, 4863, 6084, 6484, 9726, 12168, 12968, 14589, 19452, 21073, 29178, 38904, 42146, 58356, 63219, 84292, 116712, 126438, 168584, 189657, 252876, 273949, 379314, 505752, 547898, 758628, 821847, 1095796, 1517256, 1643694, 2191592, 2465541, 3287388, 4931082, 6574776, 9862164, 19724328]

約数ペア:

[(1, 19724328), (2, 9862164), (3, 6574776), (4, 4931082), (6, 3287388), (8, 2465541), (9, 2191592), (12, 1643694), (13, 1517256), (18, 1095796), (24, 821847), (26, 758628), (36, 547898), (39, 505752), (52, 379314), (72, 273949), (78, 252876), (104, 189657), (117, 168584), (156, 126438), (169, 116712), (234, 84292), (312, 63219), (338, 58356), (468, 42146), (507, 38904), (676, 29178), (936, 21073), (1014, 19452), (1352, 14589), (1521, 12968), (1621, 12168), (2028, 9726), (3042, 6484), (3242, 6084), (4056, 4863)]