19664700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 63745920

約数和(自身を除く): 44081220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 59, 60, 66, 75, 100, 101, 110, 118, 132, 150, 165, 177, 202, 220, 236, 275, 295, 300, 303, 330, 354, 404, 505, 550, 590, 606, 649, 660, 708, 825, 885, 1010, 1100, 1111, 1180, 1212, 1298, 1475, 1515, 1650, 1770, 1947, 2020, 2222, 2525, 2596, 2950, 3030, 3245, 3300, 3333, 3540, 3894, 4425, 4444, 5050, 5555, 5900, 5959, 6060, 6490, 6666, 7575, 7788, 8850, 9735, 10100, 11110, 11918, 12980, 13332, 15150, 16225, 16665, 17700, 17877, 19470, 22220, 23836, 27775, 29795, 30300, 32450, 33330, 35754, 38940, 48675, 55550, 59590, 64900, 65549, 66660, 71508, 83325, 89385, 97350, 111100, 119180, 131098, 148975, 166650, 178770, 194700, 196647, 262196, 297950, 327745, 333300, 357540, 393294, 446925, 595900, 655490, 786588, 893850, 983235, 1310980, 1638725, 1787700, 1966470, 3277450, 3932940, 4916175, 6554900, 9832350, 19664700]

約数ペア:

[(1, 19664700), (2, 9832350), (3, 6554900), (4, 4916175), (5, 3932940), (6, 3277450), (10, 1966470), (11, 1787700), (12, 1638725), (15, 1310980), (20, 983235), (22, 893850), (25, 786588), (30, 655490), (33, 595900), (44, 446925), (50, 393294), (55, 357540), (59, 333300), (60, 327745), (66, 297950), (75, 262196), (100, 196647), (101, 194700), (110, 178770), (118, 166650), (132, 148975), (150, 131098), (165, 119180), (177, 111100), (202, 97350), (220, 89385), (236, 83325), (275, 71508), (295, 66660), (300, 65549), (303, 64900), (330, 59590), (354, 55550), (404, 48675), (505, 38940), (550, 35754), (590, 33330), (606, 32450), (649, 30300), (660, 29795), (708, 27775), (825, 23836), (885, 22220), (1010, 19470), (1100, 17877), (1111, 17700), (1180, 16665), (1212, 16225), (1298, 15150), (1475, 13332), (1515, 12980), (1650, 11918), (1770, 11110), (1947, 10100), (2020, 9735), (2222, 8850), (2525, 7788), (2596, 7575), (2950, 6666), (3030, 6490), (3245, 6060), (3300, 5959), (3333, 5900), (3540, 5555), (3894, 5050), (4425, 4444)]