19825300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 47809440

約数和(自身を除く): 27984140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 134, 220, 268, 269, 275, 335, 538, 550, 670, 737, 1076, 1100, 1340, 1345, 1474, 1675, 2690, 2948, 2959, 3350, 3685, 5380, 5918, 6700, 6725, 7370, 11836, 13450, 14740, 14795, 18023, 18425, 26900, 29590, 36046, 36850, 59180, 72092, 73700, 73975, 90115, 147950, 180230, 198253, 295900, 360460, 396506, 450575, 793012, 901150, 991265, 1802300, 1982530, 3965060, 4956325, 9912650, 19825300]

約数ペア:

[(1, 19825300), (2, 9912650), (4, 4956325), (5, 3965060), (10, 1982530), (11, 1802300), (20, 991265), (22, 901150), (25, 793012), (44, 450575), (50, 396506), (55, 360460), (67, 295900), (100, 198253), (110, 180230), (134, 147950), (220, 90115), (268, 73975), (269, 73700), (275, 72092), (335, 59180), (538, 36850), (550, 36046), (670, 29590), (737, 26900), (1076, 18425), (1100, 18023), (1340, 14795), (1345, 14740), (1474, 13450), (1675, 11836), (2690, 7370), (2948, 6725), (2959, 6700), (3350, 5918), (3685, 5380)]