19516623

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 11740977

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 439, 511, 609, 1317, 1533, 2117, 3073, 6351, 9219, 12731, 14819, 32047, 38193, 44457, 89117, 96141, 224329, 267351, 672987, 929363, 2788089, 6505541, 19516623]

約数ペア:

[(1, 19516623), (3, 6505541), (7, 2788089), (21, 929363), (29, 672987), (73, 267351), (87, 224329), (203, 96141), (219, 89117), (439, 44457), (511, 38193), (609, 32047), (1317, 14819), (1533, 12731), (2117, 9219), (3073, 6351)]