19144840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3382

約数の個数: 64

約数和(自身を含む): 50621760

約数和(自身を除く): 31476920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3347, 5720, 6694, 13388, 16735, 26776, 33470, 36817, 43511, 66940, 73634, 87022, 133880, 147268, 174044, 184085, 217555, 294536, 348088, 368170, 435110, 478621, 736340, 870220, 957242, 1472680, 1740440, 1914484, 2393105, 3828968, 4786210, 9572420, 19144840]

約数ペア:

[(1, 19144840), (2, 9572420), (4, 4786210), (5, 3828968), (8, 2393105), (10, 1914484), (11, 1740440), (13, 1472680), (20, 957242), (22, 870220), (26, 736340), (40, 478621), (44, 435110), (52, 368170), (55, 348088), (65, 294536), (88, 217555), (104, 184085), (110, 174044), (130, 147268), (143, 133880), (220, 87022), (260, 73634), (286, 66940), (440, 43511), (520, 36817), (572, 33470), (715, 26776), (1144, 16735), (1430, 13388), (2860, 6694), (3347, 5720)]