19819620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 66017280

約数和(自身を除く): 46197660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 127, 135, 153, 170, 180, 204, 254, 255, 270, 289, 306, 340, 381, 459, 508, 510, 540, 578, 612, 635, 762, 765, 867, 918, 1020, 1143, 1156, 1270, 1445, 1524, 1530, 1734, 1836, 1905, 2159, 2286, 2295, 2540, 2601, 2890, 3060, 3429, 3468, 3810, 4318, 4335, 4572, 4590, 5202, 5715, 5780, 6477, 6858, 7620, 7803, 8636, 8670, 9180, 10404, 10795, 11430, 12954, 13005, 13716, 15606, 17145, 17340, 19431, 21590, 22860, 25908, 26010, 31212, 32385, 34290, 36703, 38862, 39015, 43180, 52020, 58293, 64770, 68580, 73406, 77724, 78030, 97155, 110109, 116586, 129540, 146812, 156060, 183515, 194310, 220218, 233172, 291465, 330327, 367030, 388620, 440436, 550545, 582930, 660654, 734060, 990981, 1101090, 1165860, 1321308, 1651635, 1981962, 2202180, 3303270, 3963924, 4954905, 6606540, 9909810, 19819620]

約数ペア:

[(1, 19819620), (2, 9909810), (3, 6606540), (4, 4954905), (5, 3963924), (6, 3303270), (9, 2202180), (10, 1981962), (12, 1651635), (15, 1321308), (17, 1165860), (18, 1101090), (20, 990981), (27, 734060), (30, 660654), (34, 582930), (36, 550545), (45, 440436), (51, 388620), (54, 367030), (60, 330327), (68, 291465), (85, 233172), (90, 220218), (102, 194310), (108, 183515), (127, 156060), (135, 146812), (153, 129540), (170, 116586), (180, 110109), (204, 97155), (254, 78030), (255, 77724), (270, 73406), (289, 68580), (306, 64770), (340, 58293), (381, 52020), (459, 43180), (508, 39015), (510, 38862), (540, 36703), (578, 34290), (612, 32385), (635, 31212), (762, 26010), (765, 25908), (867, 22860), (918, 21590), (1020, 19431), (1143, 17340), (1156, 17145), (1270, 15606), (1445, 13716), (1524, 13005), (1530, 12954), (1734, 11430), (1836, 10795), (1905, 10404), (2159, 9180), (2286, 8670), (2295, 8636), (2540, 7803), (2601, 7620), (2890, 6858), (3060, 6477), (3429, 5780), (3468, 5715), (3810, 5202), (4318, 4590), (4335, 4572)]