19812492

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 59673600

約数和(自身を除く): 39861108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 84, 108, 126, 146, 189, 219, 252, 292, 359, 378, 438, 511, 657, 718, 756, 876, 1022, 1077, 1314, 1436, 1533, 1971, 2044, 2154, 2513, 2628, 3066, 3231, 3942, 4308, 4599, 5026, 6132, 6462, 7539, 7884, 9198, 9693, 10052, 12924, 13797, 15078, 18396, 19386, 22617, 26207, 27594, 30156, 38772, 45234, 52414, 55188, 67851, 78621, 90468, 104828, 135702, 157242, 183449, 235863, 271404, 314484, 366898, 471726, 550347, 707589, 733796, 943452, 1100694, 1415178, 1651041, 2201388, 2830356, 3302082, 4953123, 6604164, 9906246, 19812492]

約数ペア:

[(1, 19812492), (2, 9906246), (3, 6604164), (4, 4953123), (6, 3302082), (7, 2830356), (9, 2201388), (12, 1651041), (14, 1415178), (18, 1100694), (21, 943452), (27, 733796), (28, 707589), (36, 550347), (42, 471726), (54, 366898), (63, 314484), (73, 271404), (84, 235863), (108, 183449), (126, 157242), (146, 135702), (189, 104828), (219, 90468), (252, 78621), (292, 67851), (359, 55188), (378, 52414), (438, 45234), (511, 38772), (657, 30156), (718, 27594), (756, 26207), (876, 22617), (1022, 19386), (1077, 18396), (1314, 15078), (1436, 13797), (1533, 12924), (1971, 10052), (2044, 9693), (2154, 9198), (2513, 7884), (2628, 7539), (3066, 6462), (3231, 6132), (3942, 5026), (4308, 4599)]