19866970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3430

約数の個数: 32

約数和(自身を含む): 38868480

約数和(自身を除く): 19001510

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3373, 5890, 6746, 16865, 33730, 64087, 104563, 128174, 209126, 320435, 522815, 640870, 1045630, 1986697, 3973394, 9933485, 19866970]

約数ペア:

[(1, 19866970), (2, 9933485), (5, 3973394), (10, 1986697), (19, 1045630), (31, 640870), (38, 522815), (62, 320435), (95, 209126), (155, 128174), (190, 104563), (310, 64087), (589, 33730), (1178, 16865), (2945, 6746), (3373, 5890)]