19400206920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{64901}}^1$

素因数の和:65015

約数の個数: 128

約数和(自身を含む): 60561354240

約数和(自身を除く): 41161147320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 53, 60, 94, 106, 120, 141, 159, 188, 212, 235, 265, 282, 318, 376, 424, 470, 530, 564, 636, 705, 795, 940, 1060, 1128, 1272, 1410, 1590, 1880, 2120, 2491, 2820, 3180, 4982, 5640, 6360, 7473, 9964, 12455, 14946, 19928, 24910, 29892, 37365, 49820, 59784, 64901, 74730, 99640, 129802, 149460, 194703, 259604, 298920, 324505, 389406, 519208, 649010, 778812, 973515, 1298020, 1557624, 1947030, 2596040, 3050347, 3439753, 3894060, 6100694, 6879506, 7788120, 9151041, 10319259, 12201388, 13759012, 15251735, 17198765, 18302082, 20638518, 24402776, 27518024, 30503470, 34397530, 36604164, 41277036, 45755205, 51596295, 61006940, 68795060, 73208328, 82554072, 91510410, 103192590, 122013880, 137590120, 161668391, 183020820, 206385180, 323336782, 366041640, 412770360, 485005173, 646673564, 808341955, 970010346, 1293347128, 1616683910, 1940020692, 2425025865, 3233367820, 3880041384, 4850051730, 6466735640, 9700103460, 19400206920]

約数ペア:

[(1, 19400206920), (2, 9700103460), (3, 6466735640), (4, 4850051730), (5, 3880041384), (6, 3233367820), (8, 2425025865), (10, 1940020692), (12, 1616683910), (15, 1293347128), (20, 970010346), (24, 808341955), (30, 646673564), (40, 485005173), (47, 412770360), (53, 366041640), (60, 323336782), (94, 206385180), (106, 183020820), (120, 161668391), (141, 137590120), (159, 122013880), (188, 103192590), (212, 91510410), (235, 82554072), (265, 73208328), (282, 68795060), (318, 61006940), (376, 51596295), (424, 45755205), (470, 41277036), (530, 36604164), (564, 34397530), (636, 30503470), (705, 27518024), (795, 24402776), (940, 20638518), (1060, 18302082), (1128, 17198765), (1272, 15251735), (1410, 13759012), (1590, 12201388), (1880, 10319259), (2120, 9151041), (2491, 7788120), (2820, 6879506), (3180, 6100694), (4982, 3894060), (5640, 3439753), (6360, 3050347), (7473, 2596040), (9964, 1947030), (12455, 1557624), (14946, 1298020), (19928, 973515), (24910, 778812), (29892, 649010), (37365, 519208), (49820, 389406), (59784, 324505), (64901, 298920), (74730, 259604), (99640, 194703), (129802, 149460)]