19983150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{367}}^1$

素因数の和:407

約数の個数: 108

約数和(自身を含む): 59173296

約数和(自身を除く): 39190146

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 121, 150, 165, 198, 225, 242, 275, 330, 363, 367, 450, 495, 550, 605, 726, 734, 825, 990, 1089, 1101, 1210, 1650, 1815, 1835, 2178, 2202, 2475, 3025, 3303, 3630, 3670, 4037, 4950, 5445, 5505, 6050, 6606, 8074, 9075, 9175, 10890, 11010, 12111, 16515, 18150, 18350, 20185, 24222, 27225, 27525, 33030, 36333, 40370, 44407, 54450, 55050, 60555, 72666, 82575, 88814, 100925, 121110, 133221, 165150, 181665, 201850, 222035, 266442, 302775, 363330, 399663, 444070, 605550, 666105, 799326, 908325, 1110175, 1332210, 1816650, 1998315, 2220350, 3330525, 3996630, 6661050, 9991575, 19983150]

約数ペア:

[(1, 19983150), (2, 9991575), (3, 6661050), (5, 3996630), (6, 3330525), (9, 2220350), (10, 1998315), (11, 1816650), (15, 1332210), (18, 1110175), (22, 908325), (25, 799326), (30, 666105), (33, 605550), (45, 444070), (50, 399663), (55, 363330), (66, 302775), (75, 266442), (90, 222035), (99, 201850), (110, 181665), (121, 165150), (150, 133221), (165, 121110), (198, 100925), (225, 88814), (242, 82575), (275, 72666), (330, 60555), (363, 55050), (367, 54450), (450, 44407), (495, 40370), (550, 36333), (605, 33030), (726, 27525), (734, 27225), (825, 24222), (990, 20185), (1089, 18350), (1101, 18150), (1210, 16515), (1650, 12111), (1815, 11010), (1835, 10890), (2178, 9175), (2202, 9075), (2475, 8074), (3025, 6606), (3303, 6050), (3630, 5505), (3670, 5445), (4037, 4950)]