19977390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3393

約数の個数: 48

約数和(自身を含む): 52732368

約数和(自身を除く): 32754978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3313, 6030, 6626, 9939, 16565, 19878, 29817, 33130, 49695, 59634, 99390, 149085, 221971, 298170, 443942, 665913, 1109855, 1331826, 1997739, 2219710, 3329565, 3995478, 6659130, 9988695, 19977390]

約数ペア:

[(1, 19977390), (2, 9988695), (3, 6659130), (5, 3995478), (6, 3329565), (9, 2219710), (10, 1997739), (15, 1331826), (18, 1109855), (30, 665913), (45, 443942), (67, 298170), (90, 221971), (134, 149085), (201, 99390), (335, 59634), (402, 49695), (603, 33130), (670, 29817), (1005, 19878), (1206, 16565), (2010, 9939), (3015, 6626), (3313, 6030)]