19824904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23720696

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 142, 152, 167, 209, 284, 334, 418, 568, 668, 781, 836, 1336, 1349, 1562, 1672, 1837, 2698, 3124, 3173, 3674, 5396, 6248, 6346, 7348, 10792, 11857, 12692, 14696, 14839, 23714, 25384, 29678, 34903, 47428, 59356, 69806, 94856, 118712, 130427, 139612, 225283, 260854, 279224, 450566, 521708, 901132, 1043416, 1802264, 2478113, 4956226, 9912452, 19824904]

約数ペア:

[(1, 19824904), (2, 9912452), (4, 4956226), (8, 2478113), (11, 1802264), (19, 1043416), (22, 901132), (38, 521708), (44, 450566), (71, 279224), (76, 260854), (88, 225283), (142, 139612), (152, 130427), (167, 118712), (209, 94856), (284, 69806), (334, 59356), (418, 47428), (568, 34903), (668, 29678), (781, 25384), (836, 23714), (1336, 14839), (1349, 14696), (1562, 12692), (1672, 11857), (1837, 10792), (2698, 7348), (3124, 6346), (3173, 6248), (3674, 5396)]