19093515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 36827136

約数和(自身を除く): 17733621

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 53, 73, 105, 141, 159, 219, 235, 265, 329, 365, 371, 511, 705, 795, 987, 1095, 1113, 1533, 1645, 1855, 2491, 2555, 3431, 3869, 4935, 5565, 7473, 7665, 10293, 11607, 12455, 17155, 17437, 19345, 24017, 27083, 37365, 51465, 52311, 58035, 72051, 81249, 87185, 120085, 135415, 181843, 261555, 360255, 406245, 545529, 909215, 1272901, 2727645, 3818703, 6364505, 19093515]

約数ペア:

[(1, 19093515), (3, 6364505), (5, 3818703), (7, 2727645), (15, 1272901), (21, 909215), (35, 545529), (47, 406245), (53, 360255), (73, 261555), (105, 181843), (141, 135415), (159, 120085), (219, 87185), (235, 81249), (265, 72051), (329, 58035), (365, 52311), (371, 51465), (511, 37365), (705, 27083), (795, 24017), (987, 19345), (1095, 17437), (1113, 17155), (1533, 12455), (1645, 11607), (1855, 10293), (2491, 7665), (2555, 7473), (3431, 5565), (3869, 4935)]