19051785

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 34369920

約数和(自身を除く): 15318135

約数列:

[1, 3, 5, 9, 15, 45, 67, 71, 89, 201, 213, 267, 335, 355, 445, 603, 639, 801, 1005, 1065, 1335, 3015, 3195, 4005, 4757, 5963, 6319, 14271, 17889, 18957, 23785, 29815, 31595, 42813, 53667, 56871, 71355, 89445, 94785, 214065, 268335, 284355, 423373, 1270119, 2116865, 3810357, 6350595, 19051785]

約数ペア:

[(1, 19051785), (3, 6350595), (5, 3810357), (9, 2116865), (15, 1270119), (45, 423373), (67, 284355), (71, 268335), (89, 214065), (201, 94785), (213, 89445), (267, 71355), (335, 56871), (355, 53667), (445, 42813), (603, 31595), (639, 29815), (801, 23785), (1005, 18957), (1065, 17889), (1335, 14271), (3015, 6319), (3195, 5963), (4005, 4757)]