19657485

素因数分解:

$3^6\times 5^1\times {\mathrm{5393}}^1$

素因数の和:5416

約数の個数: 28

約数和(自身を含む): 35373852

約数和(自身を除く): 15716367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5393, 16179, 26965, 48537, 80895, 145611, 242685, 436833, 728055, 1310499, 2184165, 3931497, 6552495, 19657485]

約数ペア:

[(1, 19657485), (3, 6552495), (5, 3931497), (9, 2184165), (15, 1310499), (27, 728055), (45, 436833), (81, 242685), (135, 145611), (243, 80895), (405, 48537), (729, 26965), (1215, 16179), (3645, 5393)]