19081020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 42560196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 181, 210, 251, 362, 420, 502, 543, 724, 753, 905, 1004, 1086, 1255, 1267, 1506, 1757, 1810, 2172, 2510, 2534, 2715, 3012, 3514, 3620, 3765, 3801, 5020, 5068, 5271, 5430, 6335, 7028, 7530, 7602, 8785, 10542, 10860, 12670, 15060, 15204, 17570, 19005, 21084, 25340, 26355, 35140, 38010, 45431, 52710, 76020, 90862, 105420, 136293, 181724, 227155, 272586, 318017, 454310, 545172, 636034, 681465, 908620, 954051, 1272068, 1362930, 1590085, 1908102, 2725860, 3180170, 3816204, 4770255, 6360340, 9540510, 19081020]

約数ペア:

[(1, 19081020), (2, 9540510), (3, 6360340), (4, 4770255), (5, 3816204), (6, 3180170), (7, 2725860), (10, 1908102), (12, 1590085), (14, 1362930), (15, 1272068), (20, 954051), (21, 908620), (28, 681465), (30, 636034), (35, 545172), (42, 454310), (60, 318017), (70, 272586), (84, 227155), (105, 181724), (140, 136293), (181, 105420), (210, 90862), (251, 76020), (362, 52710), (420, 45431), (502, 38010), (543, 35140), (724, 26355), (753, 25340), (905, 21084), (1004, 19005), (1086, 17570), (1255, 15204), (1267, 15060), (1506, 12670), (1757, 10860), (1810, 10542), (2172, 8785), (2510, 7602), (2534, 7530), (2715, 7028), (3012, 6335), (3514, 5430), (3620, 5271), (3765, 5068), (3801, 5020)]