19271135950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2213}}^1$

素因数の和:2530

約数の個数: 96

約数和(自身を含む): 39849449472

約数和(自身を除く): 20578313522

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 223, 275, 355, 446, 550, 710, 781, 1115, 1562, 1775, 2213, 2230, 2453, 3550, 3905, 4426, 4906, 5575, 7810, 11065, 11150, 12265, 15833, 19525, 22130, 24343, 24530, 31666, 39050, 48686, 55325, 61325, 79165, 110650, 121715, 122650, 157123, 158330, 174163, 243430, 314246, 348326, 395825, 493499, 608575, 785615, 791650, 870815, 986998, 1217150, 1571230, 1728353, 1741630, 2467495, 3456706, 3928075, 4354075, 4934990, 5428489, 7856150, 8641765, 8708150, 10856978, 12337475, 17283530, 24674950, 27142445, 35038429, 43208825, 54284890, 70076858, 86417650, 135712225, 175192145, 271424450, 350384290, 385422719, 770845438, 875960725, 1751921450, 1927113595, 3854227190, 9635567975, 19271135950]

約数ペア:

[(1, 19271135950), (2, 9635567975), (5, 3854227190), (10, 1927113595), (11, 1751921450), (22, 875960725), (25, 770845438), (50, 385422719), (55, 350384290), (71, 271424450), (110, 175192145), (142, 135712225), (223, 86417650), (275, 70076858), (355, 54284890), (446, 43208825), (550, 35038429), (710, 27142445), (781, 24674950), (1115, 17283530), (1562, 12337475), (1775, 10856978), (2213, 8708150), (2230, 8641765), (2453, 7856150), (3550, 5428489), (3905, 4934990), (4426, 4354075), (4906, 3928075), (5575, 3456706), (7810, 2467495), (11065, 1741630), (11150, 1728353), (12265, 1571230), (15833, 1217150), (19525, 986998), (22130, 870815), (24343, 791650), (24530, 785615), (31666, 608575), (39050, 493499), (48686, 395825), (55325, 348326), (61325, 314246), (79165, 243430), (110650, 174163), (121715, 158330), (122650, 157123)]