19484348

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 40889520

約数和(自身を除く): 21405172

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 41, 52, 74, 76, 82, 148, 164, 169, 247, 338, 481, 494, 533, 676, 703, 779, 962, 988, 1066, 1406, 1517, 1558, 1924, 2132, 2812, 3034, 3116, 3211, 6068, 6253, 6422, 6929, 9139, 10127, 12506, 12844, 13858, 18278, 19721, 20254, 25012, 27716, 28823, 36556, 39442, 40508, 57646, 78884, 115292, 118807, 131651, 237614, 256373, 263302, 374699, 475228, 512746, 526604, 749398, 1025492, 1498796, 4871087, 9742174, 19484348]

約数ペア:

[(1, 19484348), (2, 9742174), (4, 4871087), (13, 1498796), (19, 1025492), (26, 749398), (37, 526604), (38, 512746), (41, 475228), (52, 374699), (74, 263302), (76, 256373), (82, 237614), (148, 131651), (164, 118807), (169, 115292), (247, 78884), (338, 57646), (481, 40508), (494, 39442), (533, 36556), (676, 28823), (703, 27716), (779, 25012), (962, 20254), (988, 19721), (1066, 18278), (1406, 13858), (1517, 12844), (1558, 12506), (1924, 10127), (2132, 9139), (2812, 6929), (3034, 6422), (3116, 6253), (3211, 6068)]