19925862010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{45413}}^1$

素因数の和:45555

約数の個数: 64

約数和(自身を含む): 39728167200

約数和(自身を除く): 19802305190

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 89, 145, 170, 178, 290, 445, 493, 890, 986, 1513, 2465, 2581, 3026, 4930, 5162, 7565, 12905, 15130, 25810, 43877, 45413, 87754, 90826, 219385, 227065, 438770, 454130, 772021, 1316977, 1544042, 2633954, 3860105, 4041757, 6584885, 7720210, 8083514, 13169770, 20208785, 22388609, 40417570, 44777218, 68709869, 111943045, 117210953, 137419738, 223886090, 234421906, 343549345, 586054765, 687098690, 1172109530, 1992586201, 3985172402, 9962931005, 19925862010]

約数ペア:

[(1, 19925862010), (2, 9962931005), (5, 3985172402), (10, 1992586201), (17, 1172109530), (29, 687098690), (34, 586054765), (58, 343549345), (85, 234421906), (89, 223886090), (145, 137419738), (170, 117210953), (178, 111943045), (290, 68709869), (445, 44777218), (493, 40417570), (890, 22388609), (986, 20208785), (1513, 13169770), (2465, 8083514), (2581, 7720210), (3026, 6584885), (4930, 4041757), (5162, 3860105), (7565, 2633954), (12905, 1544042), (15130, 1316977), (25810, 772021), (43877, 454130), (45413, 438770), (87754, 227065), (90826, 219385)]