19084516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19017884

約数列:

[1, 2, 4, 11, 22, 41, 44, 71, 82, 142, 149, 164, 284, 298, 451, 596, 781, 902, 1562, 1639, 1804, 2911, 3124, 3278, 5822, 6109, 6556, 10579, 11644, 12218, 21158, 24436, 32021, 42316, 64042, 67199, 116369, 128084, 134398, 232738, 268796, 433739, 465476, 867478, 1734956, 4771129, 9542258, 19084516]

約数ペア:

[(1, 19084516), (2, 9542258), (4, 4771129), (11, 1734956), (22, 867478), (41, 465476), (44, 433739), (71, 268796), (82, 232738), (142, 134398), (149, 128084), (164, 116369), (284, 67199), (298, 64042), (451, 42316), (596, 32021), (781, 24436), (902, 21158), (1562, 12218), (1639, 11644), (1804, 10579), (2911, 6556), (3124, 6109), (3278, 5822)]