1636018180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4877

約数の個数: 96

約数和(自身を含む): 3862656000

約数和(自身を除く): 2226637820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 290, 310, 380, 551, 580, 589, 620, 899, 1102, 1178, 1798, 2204, 2356, 2755, 2945, 3596, 4495, 4789, 5510, 5890, 8990, 9578, 11020, 11780, 17081, 17980, 19156, 23945, 34162, 47890, 68324, 85405, 90991, 95780, 138881, 148459, 170810, 181982, 277762, 296918, 341620, 363964, 454955, 555524, 593836, 694405, 742295, 909910, 1388810, 1484590, 1819820, 2638739, 2777620, 2820721, 2969180, 4305311, 5277478, 5641442, 8610622, 10554956, 11282884, 13193695, 14103605, 17221244, 21526555, 26387390, 28207210, 43053110, 52774780, 56414420, 81800909, 86106220, 163601818, 327203636, 409004545, 818009090, 1636018180]

約数ペア:

[(1, 1636018180), (2, 818009090), (4, 409004545), (5, 327203636), (10, 163601818), (19, 86106220), (20, 81800909), (29, 56414420), (31, 52774780), (38, 43053110), (58, 28207210), (62, 26387390), (76, 21526555), (95, 17221244), (116, 14103605), (124, 13193695), (145, 11282884), (155, 10554956), (190, 8610622), (290, 5641442), (310, 5277478), (380, 4305311), (551, 2969180), (580, 2820721), (589, 2777620), (620, 2638739), (899, 1819820), (1102, 1484590), (1178, 1388810), (1798, 909910), (2204, 742295), (2356, 694405), (2755, 593836), (2945, 555524), (3596, 454955), (4495, 363964), (4789, 341620), (5510, 296918), (5890, 277762), (8990, 181982), (9578, 170810), (11020, 148459), (11780, 138881), (17081, 95780), (17980, 90991), (19156, 85405), (23945, 68324), (34162, 47890)]