19875683604

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{2239}}^1$

素因数の和:2778

約数の個数: 144

約数和(自身を含む): 55827824640

約数和(自身を除く): 35952141036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 487, 588, 651, 868, 974, 1302, 1461, 1519, 1948, 2239, 2604, 2922, 3038, 3409, 4478, 4557, 5844, 6076, 6717, 6818, 8956, 9114, 10227, 13434, 13636, 15097, 15673, 18228, 20454, 23863, 26868, 30194, 31346, 40908, 45291, 47019, 47726, 60388, 62692, 69409, 71589, 90582, 94038, 95452, 105679, 109711, 138818, 143178, 181164, 188076, 208227, 211358, 219422, 277636, 286356, 317037, 329133, 416454, 422716, 438844, 485863, 634074, 658266, 739753, 832908, 971726, 1090393, 1268148, 1316532, 1457589, 1479506, 1943452, 2180786, 2219259, 2915178, 2959012, 3271179, 3401041, 4361572, 4438518, 5830356, 6542358, 6802082, 7632751, 8877036, 10203123, 13084716, 13604164, 15265502, 20406246, 22898253, 30531004, 33802183, 40812492, 45796506, 53429257, 67604366, 91593012, 101406549, 106858514, 135208732, 160287771, 202813098, 213717028, 236615281, 320575542, 405626196, 473230562, 641151084, 709845843, 946461124, 1419691686, 1656306967, 2839383372, 3312613934, 4968920901, 6625227868, 9937841802, 19875683604]

約数ペア:

[(1, 19875683604), (2, 9937841802), (3, 6625227868), (4, 4968920901), (6, 3312613934), (7, 2839383372), (12, 1656306967), (14, 1419691686), (21, 946461124), (28, 709845843), (31, 641151084), (42, 473230562), (49, 405626196), (62, 320575542), (84, 236615281), (93, 213717028), (98, 202813098), (124, 160287771), (147, 135208732), (186, 106858514), (196, 101406549), (217, 91593012), (294, 67604366), (372, 53429257), (434, 45796506), (487, 40812492), (588, 33802183), (651, 30531004), (868, 22898253), (974, 20406246), (1302, 15265502), (1461, 13604164), (1519, 13084716), (1948, 10203123), (2239, 8877036), (2604, 7632751), (2922, 6802082), (3038, 6542358), (3409, 5830356), (4478, 4438518), (4557, 4361572), (5844, 3401041), (6076, 3271179), (6717, 2959012), (6818, 2915178), (8956, 2219259), (9114, 2180786), (10227, 1943452), (13434, 1479506), (13636, 1457589), (15097, 1316532), (15673, 1268148), (18228, 1090393), (20454, 971726), (23863, 832908), (26868, 739753), (30194, 658266), (31346, 634074), (40908, 485863), (45291, 438844), (47019, 422716), (47726, 416454), (60388, 329133), (62692, 317037), (69409, 286356), (71589, 277636), (90582, 219422), (94038, 211358), (95452, 208227), (105679, 188076), (109711, 181164), (138818, 143178)]