19778310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38282490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 90, 93, 102, 135, 139, 153, 155, 170, 186, 255, 270, 278, 279, 306, 310, 417, 459, 465, 510, 527, 558, 695, 765, 834, 837, 918, 930, 1054, 1251, 1390, 1395, 1530, 1581, 1674, 2085, 2295, 2363, 2502, 2635, 2790, 3162, 3753, 4170, 4185, 4309, 4590, 4726, 4743, 5270, 6255, 7089, 7506, 7905, 8370, 8618, 9486, 11815, 12510, 12927, 14178, 14229, 15810, 18765, 21267, 21545, 23630, 23715, 25854, 28458, 35445, 37530, 38781, 42534, 43090, 47430, 63801, 64635, 70890, 71145, 73253, 77562, 106335, 116343, 127602, 129270, 142290, 146506, 193905, 212670, 219759, 232686, 319005, 366265, 387810, 439518, 581715, 638010, 659277, 732530, 1098795, 1163430, 1318554, 1977831, 2197590, 3296385, 3955662, 6592770, 9889155, 19778310]

約数ペア:

[(1, 19778310), (2, 9889155), (3, 6592770), (5, 3955662), (6, 3296385), (9, 2197590), (10, 1977831), (15, 1318554), (17, 1163430), (18, 1098795), (27, 732530), (30, 659277), (31, 638010), (34, 581715), (45, 439518), (51, 387810), (54, 366265), (62, 319005), (85, 232686), (90, 219759), (93, 212670), (102, 193905), (135, 146506), (139, 142290), (153, 129270), (155, 127602), (170, 116343), (186, 106335), (255, 77562), (270, 73253), (278, 71145), (279, 70890), (306, 64635), (310, 63801), (417, 47430), (459, 43090), (465, 42534), (510, 38781), (527, 37530), (558, 35445), (695, 28458), (765, 25854), (834, 23715), (837, 23630), (918, 21545), (930, 21267), (1054, 18765), (1251, 15810), (1390, 14229), (1395, 14178), (1530, 12927), (1581, 12510), (1674, 11815), (2085, 9486), (2295, 8618), (2363, 8370), (2502, 7905), (2635, 7506), (2790, 7089), (3162, 6255), (3753, 5270), (4170, 4743), (4185, 4726), (4309, 4590)]