19864364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 41404608

約数和(自身を除く): 21540244

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 977, 1196, 1564, 1954, 3908, 5083, 10166, 12701, 16609, 20332, 22471, 25402, 33218, 44942, 50804, 66436, 89884, 215917, 292123, 382007, 431834, 584246, 764014, 863668, 1168492, 1528028, 4966091, 9932182, 19864364]

約数ペア:

[(1, 19864364), (2, 9932182), (4, 4966091), (13, 1528028), (17, 1168492), (23, 863668), (26, 764014), (34, 584246), (46, 431834), (52, 382007), (68, 292123), (92, 215917), (221, 89884), (299, 66436), (391, 50804), (442, 44942), (598, 33218), (782, 25402), (884, 22471), (977, 20332), (1196, 16609), (1564, 12701), (1954, 10166), (3908, 5083)]