19802322

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 24676398

約数列:

[1, 2, 3, 6, 9, 18, 47, 89, 94, 141, 178, 263, 267, 282, 423, 526, 534, 789, 801, 846, 1578, 1602, 2367, 4183, 4734, 8366, 12361, 12549, 23407, 24722, 25098, 37083, 37647, 46814, 70221, 74166, 75294, 111249, 140442, 210663, 222498, 421326, 1100129, 2200258, 3300387, 6600774, 9901161, 19802322]

約数ペア:

[(1, 19802322), (2, 9901161), (3, 6600774), (6, 3300387), (9, 2200258), (18, 1100129), (47, 421326), (89, 222498), (94, 210663), (141, 140442), (178, 111249), (263, 75294), (267, 74166), (282, 70221), (423, 46814), (526, 37647), (534, 37083), (789, 25098), (801, 24722), (846, 23407), (1578, 12549), (1602, 12361), (2367, 8366), (4183, 4734)]