19807512

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 51916800

約数和(自身を除く): 32109288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 79, 93, 124, 158, 186, 237, 248, 316, 337, 372, 474, 632, 674, 744, 948, 1011, 1348, 1896, 2022, 2449, 2696, 4044, 4898, 7347, 8088, 9796, 10447, 14694, 19592, 20894, 26623, 29388, 31341, 41788, 53246, 58776, 62682, 79869, 83576, 106492, 125364, 159738, 212984, 250728, 319476, 638952, 825313, 1650626, 2475939, 3301252, 4951878, 6602504, 9903756, 19807512]

約数ペア:

[(1, 19807512), (2, 9903756), (3, 6602504), (4, 4951878), (6, 3301252), (8, 2475939), (12, 1650626), (24, 825313), (31, 638952), (62, 319476), (79, 250728), (93, 212984), (124, 159738), (158, 125364), (186, 106492), (237, 83576), (248, 79869), (316, 62682), (337, 58776), (372, 53246), (474, 41788), (632, 31341), (674, 29388), (744, 26623), (948, 20894), (1011, 19592), (1348, 14694), (1896, 10447), (2022, 9796), (2449, 8088), (2696, 7347), (4044, 4898)]