19912338

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 27607662

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 109, 153, 199, 218, 306, 327, 398, 459, 597, 654, 918, 981, 1194, 1791, 1853, 1962, 2943, 3383, 3582, 3706, 5373, 5559, 5886, 6766, 10149, 10746, 11118, 16677, 20298, 21691, 30447, 33354, 43382, 50031, 60894, 65073, 91341, 100062, 130146, 182682, 195219, 368747, 390438, 585657, 737494, 1106241, 1171314, 2212482, 3318723, 6637446, 9956169, 19912338]

約数ペア:

[(1, 19912338), (2, 9956169), (3, 6637446), (6, 3318723), (9, 2212482), (17, 1171314), (18, 1106241), (27, 737494), (34, 585657), (51, 390438), (54, 368747), (102, 195219), (109, 182682), (153, 130146), (199, 100062), (218, 91341), (306, 65073), (327, 60894), (398, 50031), (459, 43382), (597, 33354), (654, 30447), (918, 21691), (981, 20298), (1194, 16677), (1791, 11118), (1853, 10746), (1962, 10149), (2943, 6766), (3383, 5886), (3582, 5559), (3706, 5373)]