19836690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29514990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 71, 134, 139, 142, 201, 213, 278, 335, 355, 402, 417, 426, 670, 695, 710, 834, 1005, 1065, 1390, 2010, 2085, 2130, 4170, 4757, 9313, 9514, 9869, 14271, 18626, 19738, 23785, 27939, 28542, 29607, 46565, 47570, 49345, 55878, 59214, 71355, 93130, 98690, 139695, 142710, 148035, 279390, 296070, 661223, 1322446, 1983669, 3306115, 3967338, 6612230, 9918345, 19836690]

約数ペア:

[(1, 19836690), (2, 9918345), (3, 6612230), (5, 3967338), (6, 3306115), (10, 1983669), (15, 1322446), (30, 661223), (67, 296070), (71, 279390), (134, 148035), (139, 142710), (142, 139695), (201, 98690), (213, 93130), (278, 71355), (335, 59214), (355, 55878), (402, 49345), (417, 47570), (426, 46565), (670, 29607), (695, 28542), (710, 27939), (834, 23785), (1005, 19738), (1065, 18626), (1390, 14271), (2010, 9869), (2085, 9514), (2130, 9313), (4170, 4757)]