18379900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 162

約数和(自身を含む): 52642464

約数和(自身を除く): 34262564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 49, 50, 55, 62, 70, 77, 98, 100, 110, 121, 124, 140, 154, 155, 175, 196, 217, 220, 242, 245, 275, 308, 310, 341, 350, 385, 434, 484, 490, 539, 550, 605, 620, 682, 700, 770, 775, 847, 868, 980, 1078, 1085, 1100, 1210, 1225, 1364, 1519, 1540, 1550, 1694, 1705, 1925, 2156, 2170, 2387, 2420, 2450, 2695, 3025, 3038, 3100, 3388, 3410, 3751, 3850, 4235, 4340, 4774, 4900, 5390, 5425, 5929, 6050, 6076, 6820, 7502, 7595, 7700, 8470, 8525, 9548, 10780, 10850, 11858, 11935, 12100, 13475, 15004, 15190, 16709, 16940, 17050, 18755, 21175, 21700, 23716, 23870, 26257, 26950, 29645, 30380, 33418, 34100, 37510, 37975, 42350, 47740, 52514, 53900, 59290, 59675, 66836, 75020, 75950, 83545, 84700, 93775, 105028, 118580, 119350, 131285, 148225, 151900, 167090, 183799, 187550, 238700, 262570, 296450, 334180, 367598, 375100, 417725, 525140, 592900, 656425, 735196, 835450, 918995, 1312850, 1670900, 1837990, 2625700, 3675980, 4594975, 9189950, 18379900]

約数ペア:

[(1, 18379900), (2, 9189950), (4, 4594975), (5, 3675980), (7, 2625700), (10, 1837990), (11, 1670900), (14, 1312850), (20, 918995), (22, 835450), (25, 735196), (28, 656425), (31, 592900), (35, 525140), (44, 417725), (49, 375100), (50, 367598), (55, 334180), (62, 296450), (70, 262570), (77, 238700), (98, 187550), (100, 183799), (110, 167090), (121, 151900), (124, 148225), (140, 131285), (154, 119350), (155, 118580), (175, 105028), (196, 93775), (217, 84700), (220, 83545), (242, 75950), (245, 75020), (275, 66836), (308, 59675), (310, 59290), (341, 53900), (350, 52514), (385, 47740), (434, 42350), (484, 37975), (490, 37510), (539, 34100), (550, 33418), (605, 30380), (620, 29645), (682, 26950), (700, 26257), (770, 23870), (775, 23716), (847, 21700), (868, 21175), (980, 18755), (1078, 17050), (1085, 16940), (1100, 16709), (1210, 15190), (1225, 15004), (1364, 13475), (1519, 12100), (1540, 11935), (1550, 11858), (1694, 10850), (1705, 10780), (1925, 9548), (2156, 8525), (2170, 8470), (2387, 7700), (2420, 7595), (2450, 7502), (2695, 6820), (3025, 6076), (3038, 6050), (3100, 5929), (3388, 5425), (3410, 5390), (3751, 4900), (3850, 4774), (4235, 4340)]