18688980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4649}}^1$

素因数の和:4728

約数の個数: 48

約数和(自身を含む): 53121600

約数和(自身を除く): 34432620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4649, 9298, 13947, 18596, 23245, 27894, 46490, 55788, 69735, 92980, 139470, 278940, 311483, 622966, 934449, 1245932, 1557415, 1868898, 3114830, 3737796, 4672245, 6229660, 9344490, 18688980]

約数ペア:

[(1, 18688980), (2, 9344490), (3, 6229660), (4, 4672245), (5, 3737796), (6, 3114830), (10, 1868898), (12, 1557415), (15, 1245932), (20, 934449), (30, 622966), (60, 311483), (67, 278940), (134, 139470), (201, 92980), (268, 69735), (335, 55788), (402, 46490), (670, 27894), (804, 23245), (1005, 18596), (1340, 13947), (2010, 9298), (4020, 4649)]