19999644

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 36179556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 113, 129, 147, 172, 196, 226, 258, 294, 301, 339, 343, 452, 516, 588, 602, 678, 686, 791, 903, 1029, 1204, 1356, 1372, 1582, 1806, 2058, 2107, 2373, 3164, 3612, 4116, 4214, 4746, 4859, 5537, 6321, 8428, 9492, 9718, 11074, 12642, 14577, 14749, 16611, 19436, 22148, 25284, 29154, 29498, 33222, 34013, 38759, 44247, 58308, 58996, 66444, 68026, 77518, 88494, 102039, 116277, 136052, 155036, 176988, 204078, 232554, 238091, 408156, 465108, 476182, 714273, 952364, 1428546, 1666637, 2857092, 3333274, 4999911, 6666548, 9999822, 19999644]

約数ペア:

[(1, 19999644), (2, 9999822), (3, 6666548), (4, 4999911), (6, 3333274), (7, 2857092), (12, 1666637), (14, 1428546), (21, 952364), (28, 714273), (42, 476182), (43, 465108), (49, 408156), (84, 238091), (86, 232554), (98, 204078), (113, 176988), (129, 155036), (147, 136052), (172, 116277), (196, 102039), (226, 88494), (258, 77518), (294, 68026), (301, 66444), (339, 58996), (343, 58308), (452, 44247), (516, 38759), (588, 34013), (602, 33222), (678, 29498), (686, 29154), (791, 25284), (903, 22148), (1029, 19436), (1204, 16611), (1356, 14749), (1372, 14577), (1582, 12642), (1806, 11074), (2058, 9718), (2107, 9492), (2373, 8428), (3164, 6321), (3612, 5537), (4116, 4859), (4214, 4746)]