19783530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 57015504

約数和(自身を除く): 37231974

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 74, 78, 90, 111, 117, 130, 185, 195, 222, 234, 333, 370, 390, 457, 481, 555, 585, 666, 914, 962, 1110, 1170, 1371, 1443, 1665, 2285, 2405, 2742, 2886, 3330, 4113, 4329, 4570, 4810, 5941, 6855, 7215, 8226, 8658, 11882, 13710, 14430, 16909, 17823, 20565, 21645, 29705, 33818, 35646, 41130, 43290, 50727, 53469, 59410, 84545, 89115, 101454, 106938, 152181, 169090, 178230, 219817, 253635, 267345, 304362, 439634, 507270, 534690, 659451, 760905, 1099085, 1318902, 1521810, 1978353, 2198170, 3297255, 3956706, 6594510, 9891765, 19783530]

約数ペア:

[(1, 19783530), (2, 9891765), (3, 6594510), (5, 3956706), (6, 3297255), (9, 2198170), (10, 1978353), (13, 1521810), (15, 1318902), (18, 1099085), (26, 760905), (30, 659451), (37, 534690), (39, 507270), (45, 439634), (65, 304362), (74, 267345), (78, 253635), (90, 219817), (111, 178230), (117, 169090), (130, 152181), (185, 106938), (195, 101454), (222, 89115), (234, 84545), (333, 59410), (370, 53469), (390, 50727), (457, 43290), (481, 41130), (555, 35646), (585, 33818), (666, 29705), (914, 21645), (962, 20565), (1110, 17823), (1170, 16909), (1371, 14430), (1443, 13710), (1665, 11882), (2285, 8658), (2405, 8226), (2742, 7215), (2886, 6855), (3330, 5941), (4113, 4810), (4329, 4570)]