18911550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 38084802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 49, 50, 62, 70, 75, 83, 93, 98, 105, 147, 150, 155, 166, 175, 186, 210, 217, 245, 249, 294, 310, 350, 415, 434, 465, 490, 498, 525, 581, 651, 735, 775, 830, 930, 1050, 1085, 1162, 1225, 1245, 1302, 1470, 1519, 1550, 1743, 2075, 2170, 2325, 2450, 2490, 2573, 2905, 3038, 3255, 3486, 3675, 4067, 4150, 4557, 4650, 5146, 5425, 5810, 6225, 6510, 7350, 7595, 7719, 8134, 8715, 9114, 10850, 12201, 12450, 12865, 14525, 15190, 15438, 16275, 17430, 18011, 20335, 22785, 24402, 25730, 29050, 32550, 36022, 37975, 38595, 40670, 43575, 45570, 54033, 61005, 64325, 75950, 77190, 87150, 90055, 101675, 108066, 113925, 122010, 126077, 128650, 180110, 192975, 203350, 227850, 252154, 270165, 305025, 378231, 385950, 450275, 540330, 610050, 630385, 756462, 900550, 1260770, 1350825, 1891155, 2701650, 3151925, 3782310, 6303850, 9455775, 18911550]

約数ペア:

[(1, 18911550), (2, 9455775), (3, 6303850), (5, 3782310), (6, 3151925), (7, 2701650), (10, 1891155), (14, 1350825), (15, 1260770), (21, 900550), (25, 756462), (30, 630385), (31, 610050), (35, 540330), (42, 450275), (49, 385950), (50, 378231), (62, 305025), (70, 270165), (75, 252154), (83, 227850), (93, 203350), (98, 192975), (105, 180110), (147, 128650), (150, 126077), (155, 122010), (166, 113925), (175, 108066), (186, 101675), (210, 90055), (217, 87150), (245, 77190), (249, 75950), (294, 64325), (310, 61005), (350, 54033), (415, 45570), (434, 43575), (465, 40670), (490, 38595), (498, 37975), (525, 36022), (581, 32550), (651, 29050), (735, 25730), (775, 24402), (830, 22785), (930, 20335), (1050, 18011), (1085, 17430), (1162, 16275), (1225, 15438), (1245, 15190), (1302, 14525), (1470, 12865), (1519, 12450), (1550, 12201), (1743, 10850), (2075, 9114), (2170, 8715), (2325, 8134), (2450, 7719), (2490, 7595), (2573, 7350), (2905, 6510), (3038, 6225), (3255, 5810), (3486, 5425), (3675, 5146), (4067, 4650), (4150, 4557)]