18915528052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{80209}}^1$

素因数の和:80368

約数の個数: 48

約数和(自身を含む): 36383256000

約数和(自身を除く): 17467727948

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 107, 116, 214, 428, 551, 1102, 2033, 2204, 3103, 4066, 6206, 8132, 12412, 58957, 80209, 117914, 160418, 235828, 320836, 1523971, 2326061, 3047942, 4652122, 6095884, 8582363, 9304244, 17164726, 34329452, 44195159, 88390318, 163064897, 176780636, 248888527, 326129794, 497777054, 652259588, 995554108, 4728882013, 9457764026, 18915528052]

約数ペア:

[(1, 18915528052), (2, 9457764026), (4, 4728882013), (19, 995554108), (29, 652259588), (38, 497777054), (58, 326129794), (76, 248888527), (107, 176780636), (116, 163064897), (214, 88390318), (428, 44195159), (551, 34329452), (1102, 17164726), (2033, 9304244), (2204, 8582363), (3103, 6095884), (4066, 4652122), (6206, 3047942), (8132, 2326061), (12412, 1523971), (58957, 320836), (80209, 235828), (117914, 160418)]