19994623185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{11807}}^1$

素因数の和:12090

約数の個数: 64

約数和(自身を含む): 35197286400

約数和(自身を除く): 15202663215

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 229, 255, 435, 493, 687, 1145, 1479, 2465, 3435, 3893, 6641, 7395, 11679, 11807, 19465, 19923, 33205, 35421, 58395, 59035, 99615, 112897, 177105, 200719, 338691, 342403, 564485, 602157, 1003595, 1027209, 1693455, 1712015, 2703803, 3010785, 5136045, 5820851, 8111409, 13519015, 17462553, 29104255, 40557045, 45964651, 78410287, 87312765, 137893953, 229823255, 235230861, 392051435, 689469765, 1176154305, 1332974879, 3998924637, 6664874395, 19994623185]

約数ペア:

[(1, 19994623185), (3, 6664874395), (5, 3998924637), (15, 1332974879), (17, 1176154305), (29, 689469765), (51, 392051435), (85, 235230861), (87, 229823255), (145, 137893953), (229, 87312765), (255, 78410287), (435, 45964651), (493, 40557045), (687, 29104255), (1145, 17462553), (1479, 13519015), (2465, 8111409), (3435, 5820851), (3893, 5136045), (6641, 3010785), (7395, 2703803), (11679, 1712015), (11807, 1693455), (19465, 1027209), (19923, 1003595), (33205, 602157), (35421, 564485), (58395, 342403), (59035, 338691), (99615, 200719), (112897, 177105)]