19651170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 40732062

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 47, 55, 66, 70, 77, 94, 105, 110, 141, 154, 165, 181, 210, 231, 235, 282, 329, 330, 362, 385, 462, 470, 517, 543, 658, 705, 770, 905, 987, 1034, 1086, 1155, 1267, 1410, 1551, 1645, 1810, 1974, 1991, 2310, 2534, 2585, 2715, 3102, 3290, 3619, 3801, 3982, 4935, 5170, 5430, 5973, 6335, 7238, 7602, 7755, 8507, 9870, 9955, 10857, 11946, 12670, 13937, 15510, 17014, 18095, 19005, 19910, 21714, 25521, 27874, 29865, 36190, 38010, 41811, 42535, 51042, 54285, 59549, 59730, 69685, 83622, 85070, 93577, 108570, 119098, 127605, 139370, 178647, 187154, 209055, 255210, 280731, 297745, 357294, 418110, 467885, 561462, 595490, 655039, 893235, 935770, 1310078, 1403655, 1786470, 1965117, 2807310, 3275195, 3930234, 6550390, 9825585, 19651170]

約数ペア:

[(1, 19651170), (2, 9825585), (3, 6550390), (5, 3930234), (6, 3275195), (7, 2807310), (10, 1965117), (11, 1786470), (14, 1403655), (15, 1310078), (21, 935770), (22, 893235), (30, 655039), (33, 595490), (35, 561462), (42, 467885), (47, 418110), (55, 357294), (66, 297745), (70, 280731), (77, 255210), (94, 209055), (105, 187154), (110, 178647), (141, 139370), (154, 127605), (165, 119098), (181, 108570), (210, 93577), (231, 85070), (235, 83622), (282, 69685), (329, 59730), (330, 59549), (362, 54285), (385, 51042), (462, 42535), (470, 41811), (517, 38010), (543, 36190), (658, 29865), (705, 27874), (770, 25521), (905, 21714), (987, 19910), (1034, 19005), (1086, 18095), (1155, 17014), (1267, 15510), (1410, 13937), (1551, 12670), (1645, 11946), (1810, 10857), (1974, 9955), (1991, 9870), (2310, 8507), (2534, 7755), (2585, 7602), (2715, 7238), (3102, 6335), (3290, 5973), (3619, 5430), (3801, 5170), (3982, 4935)]