19864650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 54246528

約数和(自身を除く): 34381878

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 61, 65, 75, 78, 122, 130, 150, 167, 183, 195, 305, 325, 334, 366, 390, 501, 610, 650, 793, 835, 915, 975, 1002, 1525, 1586, 1670, 1830, 1950, 2171, 2379, 2505, 3050, 3965, 4175, 4342, 4575, 4758, 5010, 6513, 7930, 8350, 9150, 10187, 10855, 11895, 12525, 13026, 19825, 20374, 21710, 23790, 25050, 30561, 32565, 39650, 50935, 54275, 59475, 61122, 65130, 101870, 108550, 118950, 132431, 152805, 162825, 254675, 264862, 305610, 325650, 397293, 509350, 662155, 764025, 794586, 1324310, 1528050, 1986465, 3310775, 3972930, 6621550, 9932325, 19864650]

約数ペア:

[(1, 19864650), (2, 9932325), (3, 6621550), (5, 3972930), (6, 3310775), (10, 1986465), (13, 1528050), (15, 1324310), (25, 794586), (26, 764025), (30, 662155), (39, 509350), (50, 397293), (61, 325650), (65, 305610), (75, 264862), (78, 254675), (122, 162825), (130, 152805), (150, 132431), (167, 118950), (183, 108550), (195, 101870), (305, 65130), (325, 61122), (334, 59475), (366, 54275), (390, 50935), (501, 39650), (610, 32565), (650, 30561), (793, 25050), (835, 23790), (915, 21710), (975, 20374), (1002, 19825), (1525, 13026), (1586, 12525), (1670, 11895), (1830, 10855), (1950, 10187), (2171, 9150), (2379, 8350), (2505, 7930), (3050, 6513), (3965, 5010), (4175, 4758), (4342, 4575)]