19390421570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{21011}}^1$

素因数の和:21291

約数の個数: 64

約数和(自身を含む): 38971376640

約数和(自身を除く): 19580955070

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 229, 310, 403, 458, 806, 1145, 2015, 2290, 2977, 4030, 5954, 7099, 14198, 14885, 21011, 29770, 35495, 42022, 70990, 92287, 105055, 184574, 210110, 273143, 461435, 546286, 651341, 922870, 1302682, 1365715, 2731430, 3256705, 4811519, 6513410, 8467433, 9623038, 16934866, 24057595, 42337165, 48115190, 62549747, 84674330, 125099494, 149157089, 298314178, 312748735, 625497470, 745785445, 1491570890, 1939042157, 3878084314, 9695210785, 19390421570]

約数ペア:

[(1, 19390421570), (2, 9695210785), (5, 3878084314), (10, 1939042157), (13, 1491570890), (26, 745785445), (31, 625497470), (62, 312748735), (65, 298314178), (130, 149157089), (155, 125099494), (229, 84674330), (310, 62549747), (403, 48115190), (458, 42337165), (806, 24057595), (1145, 16934866), (2015, 9623038), (2290, 8467433), (2977, 6513410), (4030, 4811519), (5954, 3256705), (7099, 2731430), (14198, 1365715), (14885, 1302682), (21011, 922870), (29770, 651341), (35495, 546286), (42022, 461435), (70990, 273143), (92287, 210110), (105055, 184574)]