19769464

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 43905960

約数和(自身を除く): 24136496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1571, 1573, 3142, 3146, 6284, 6292, 12568, 12584, 17281, 20423, 34562, 40846, 69124, 81692, 138248, 163384, 190091, 224653, 380182, 449306, 760364, 898612, 1520728, 1797224, 2471183, 4942366, 9884732, 19769464]

約数ペア:

[(1, 19769464), (2, 9884732), (4, 4942366), (8, 2471183), (11, 1797224), (13, 1520728), (22, 898612), (26, 760364), (44, 449306), (52, 380182), (88, 224653), (104, 190091), (121, 163384), (143, 138248), (242, 81692), (286, 69124), (484, 40846), (572, 34562), (968, 20423), (1144, 17281), (1571, 12584), (1573, 12568), (3142, 6292), (3146, 6284)]