18379491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 27783168

約数和(自身を除く): 9403677

約数列:

[1, 3, 13, 37, 39, 47, 111, 141, 271, 481, 611, 813, 1443, 1739, 1833, 3523, 5217, 10027, 10569, 12737, 22607, 30081, 38211, 67821, 130351, 165581, 391053, 471269, 496743, 1413807, 6126497, 18379491]

約数ペア:

[(1, 18379491), (3, 6126497), (13, 1413807), (37, 496743), (39, 471269), (47, 391053), (111, 165581), (141, 130351), (271, 67821), (481, 38211), (611, 30081), (813, 22607), (1443, 12737), (1739, 10569), (1833, 10027), (3523, 5217)]