19750770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 60238080

約数和(自身を除く): 40487310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 331, 351, 390, 442, 459, 510, 585, 662, 663, 702, 765, 918, 993, 1105, 1170, 1326, 1530, 1655, 1755, 1986, 1989, 2210, 2295, 2979, 3310, 3315, 3510, 3978, 4303, 4590, 4965, 5627, 5958, 5967, 6630, 8606, 8937, 9930, 9945, 11254, 11934, 12909, 14895, 16881, 17874, 19890, 21515, 25818, 28135, 29790, 29835, 33762, 38727, 43030, 44685, 50643, 56270, 59670, 64545, 73151, 77454, 84405, 89370, 101286, 116181, 129090, 146302, 151929, 168810, 193635, 219453, 232362, 253215, 303858, 365755, 387270, 438906, 506430, 580905, 658359, 731510, 759645, 1097265, 1161810, 1316718, 1519290, 1975077, 2194530, 3291795, 3950154, 6583590, 9875385, 19750770]

約数ペア:

[(1, 19750770), (2, 9875385), (3, 6583590), (5, 3950154), (6, 3291795), (9, 2194530), (10, 1975077), (13, 1519290), (15, 1316718), (17, 1161810), (18, 1097265), (26, 759645), (27, 731510), (30, 658359), (34, 580905), (39, 506430), (45, 438906), (51, 387270), (54, 365755), (65, 303858), (78, 253215), (85, 232362), (90, 219453), (102, 193635), (117, 168810), (130, 151929), (135, 146302), (153, 129090), (170, 116181), (195, 101286), (221, 89370), (234, 84405), (255, 77454), (270, 73151), (306, 64545), (331, 59670), (351, 56270), (390, 50643), (442, 44685), (459, 43030), (510, 38727), (585, 33762), (662, 29835), (663, 29790), (702, 28135), (765, 25818), (918, 21515), (993, 19890), (1105, 17874), (1170, 16881), (1326, 14895), (1530, 12909), (1655, 11934), (1755, 11254), (1986, 9945), (1989, 9930), (2210, 8937), (2295, 8606), (2979, 6630), (3310, 5967), (3315, 5958), (3510, 5627), (3978, 4965), (4303, 4590)]