19353464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 20291176

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2621, 3692, 5242, 7384, 10484, 20968, 34073, 68146, 136292, 186091, 272584, 372182, 744364, 1488728, 2419183, 4838366, 9676732, 19353464]

約数ペア:

[(1, 19353464), (2, 9676732), (4, 4838366), (8, 2419183), (13, 1488728), (26, 744364), (52, 372182), (71, 272584), (104, 186091), (142, 136292), (284, 68146), (568, 34073), (923, 20968), (1846, 10484), (2621, 7384), (3692, 5242)]