19097820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 50091300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 659, 690, 805, 828, 966, 1035, 1260, 1318, 1380, 1449, 1610, 1932, 1977, 2070, 2415, 2636, 2898, 3220, 3295, 3954, 4140, 4613, 4830, 5796, 5931, 6590, 7245, 7908, 9226, 9660, 9885, 11862, 13180, 13839, 14490, 15157, 18452, 19770, 23065, 23724, 27678, 28980, 29655, 30314, 39540, 41517, 45471, 46130, 55356, 59310, 60628, 69195, 75785, 83034, 90942, 92260, 106099, 118620, 136413, 138390, 151570, 166068, 181884, 207585, 212198, 227355, 272826, 276780, 303140, 318297, 415170, 424396, 454710, 530495, 545652, 636594, 682065, 830340, 909420, 954891, 1060990, 1273188, 1364130, 1591485, 1909782, 2121980, 2728260, 3182970, 3819564, 4774455, 6365940, 9548910, 19097820]

約数ペア:

[(1, 19097820), (2, 9548910), (3, 6365940), (4, 4774455), (5, 3819564), (6, 3182970), (7, 2728260), (9, 2121980), (10, 1909782), (12, 1591485), (14, 1364130), (15, 1273188), (18, 1060990), (20, 954891), (21, 909420), (23, 830340), (28, 682065), (30, 636594), (35, 545652), (36, 530495), (42, 454710), (45, 424396), (46, 415170), (60, 318297), (63, 303140), (69, 276780), (70, 272826), (84, 227355), (90, 212198), (92, 207585), (105, 181884), (115, 166068), (126, 151570), (138, 138390), (140, 136413), (161, 118620), (180, 106099), (207, 92260), (210, 90942), (230, 83034), (252, 75785), (276, 69195), (315, 60628), (322, 59310), (345, 55356), (414, 46130), (420, 45471), (460, 41517), (483, 39540), (630, 30314), (644, 29655), (659, 28980), (690, 27678), (805, 23724), (828, 23065), (966, 19770), (1035, 18452), (1260, 15157), (1318, 14490), (1380, 13839), (1449, 13180), (1610, 11862), (1932, 9885), (1977, 9660), (2070, 9226), (2415, 7908), (2636, 7245), (2898, 6590), (3220, 5931), (3295, 5796), (3954, 4830), (4140, 4613)]