18870293085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{19993}}^1$

素因数の和:20198

約数の個数: 64

約数和(自身を含む): 35240624640

約数和(自身を除く): 16370331555

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 101, 105, 267, 303, 445, 505, 623, 707, 1335, 1515, 1869, 2121, 3115, 3535, 8989, 9345, 10605, 19993, 26967, 44945, 59979, 62923, 99965, 134835, 139951, 188769, 299895, 314615, 419853, 699755, 943845, 1779377, 2019293, 2099265, 5338131, 6057879, 8896885, 10096465, 12455639, 14135051, 26690655, 30289395, 37366917, 42405153, 62278195, 70675255, 179717077, 186834585, 212025765, 539151231, 898585385, 1258019539, 2695756155, 3774058617, 6290097695, 18870293085]

約数ペア:

[(1, 18870293085), (3, 6290097695), (5, 3774058617), (7, 2695756155), (15, 1258019539), (21, 898585385), (35, 539151231), (89, 212025765), (101, 186834585), (105, 179717077), (267, 70675255), (303, 62278195), (445, 42405153), (505, 37366917), (623, 30289395), (707, 26690655), (1335, 14135051), (1515, 12455639), (1869, 10096465), (2121, 8896885), (3115, 6057879), (3535, 5338131), (8989, 2099265), (9345, 2019293), (10605, 1779377), (19993, 943845), (26967, 699755), (44945, 419853), (59979, 314615), (62923, 299895), (99965, 188769), (134835, 139951)]