19687428

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{10723}}^1$

素因数の和:10753

約数の個数: 48

約数和(自身を含む): 54048960

約数和(自身を除く): 34361532

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 10723, 21446, 32169, 42892, 64338, 96507, 128676, 182291, 193014, 289521, 364582, 386028, 546873, 579042, 729164, 1093746, 1158084, 1640619, 2187492, 3281238, 4921857, 6562476, 9843714, 19687428]

約数ペア:

[(1, 19687428), (2, 9843714), (3, 6562476), (4, 4921857), (6, 3281238), (9, 2187492), (12, 1640619), (17, 1158084), (18, 1093746), (27, 729164), (34, 579042), (36, 546873), (51, 386028), (54, 364582), (68, 289521), (102, 193014), (108, 182291), (153, 128676), (204, 96507), (306, 64338), (459, 42892), (612, 32169), (918, 21446), (1836, 10723)]