19974216

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32280504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 383, 424, 492, 636, 766, 984, 1149, 1272, 1532, 2173, 2298, 3064, 4346, 4596, 6519, 8692, 9192, 13038, 15703, 17384, 20299, 26076, 31406, 40598, 47109, 52152, 60897, 62812, 81196, 94218, 121794, 125624, 162392, 188436, 243588, 376872, 487176, 832259, 1664518, 2496777, 3329036, 4993554, 6658072, 9987108, 19974216]

約数ペア:

[(1, 19974216), (2, 9987108), (3, 6658072), (4, 4993554), (6, 3329036), (8, 2496777), (12, 1664518), (24, 832259), (41, 487176), (53, 376872), (82, 243588), (106, 188436), (123, 162392), (159, 125624), (164, 121794), (212, 94218), (246, 81196), (318, 62812), (328, 60897), (383, 52152), (424, 47109), (492, 40598), (636, 31406), (766, 26076), (984, 20299), (1149, 17384), (1272, 15703), (1532, 13038), (2173, 9192), (2298, 8692), (3064, 6519), (4346, 4596)]