19884774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 29789466

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 79, 91, 158, 182, 237, 273, 461, 474, 546, 553, 922, 1027, 1106, 1383, 1659, 2054, 2766, 3081, 3227, 3318, 5993, 6162, 6454, 7189, 9681, 11986, 14378, 17979, 19362, 21567, 35958, 36419, 41951, 43134, 72838, 83902, 109257, 125853, 218514, 251706, 254933, 473447, 509866, 764799, 946894, 1420341, 1529598, 2840682, 3314129, 6628258, 9942387, 19884774]

約数ペア:

[(1, 19884774), (2, 9942387), (3, 6628258), (6, 3314129), (7, 2840682), (13, 1529598), (14, 1420341), (21, 946894), (26, 764799), (39, 509866), (42, 473447), (78, 254933), (79, 251706), (91, 218514), (158, 125853), (182, 109257), (237, 83902), (273, 72838), (461, 43134), (474, 41951), (546, 36419), (553, 35958), (922, 21567), (1027, 19362), (1106, 17979), (1383, 14378), (1659, 11986), (2054, 9681), (2766, 7189), (3081, 6454), (3227, 6162), (3318, 5993)]