19379984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4051}}^1$

素因数の和:4095

約数の個数: 40

約数和(自身を含む): 42205632

約数和(自身を除く): 22825648

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4051, 4784, 8102, 16204, 32408, 52663, 64816, 93173, 105326, 186346, 210652, 372692, 421304, 745384, 842608, 1211249, 1490768, 2422498, 4844996, 9689992, 19379984]

約数ペア:

[(1, 19379984), (2, 9689992), (4, 4844996), (8, 2422498), (13, 1490768), (16, 1211249), (23, 842608), (26, 745384), (46, 421304), (52, 372692), (92, 210652), (104, 186346), (184, 105326), (208, 93173), (299, 64816), (368, 52663), (598, 32408), (1196, 16204), (2392, 8102), (4051, 4784)]