19298128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70949}}^1$

素因数の和:70974

約数の個数: 20

約数和(自身を含む): 39590100

約数和(自身を除く): 20291972

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70949, 141898, 283796, 567592, 1135184, 1206133, 2412266, 4824532, 9649064, 19298128]

約数ペア:

[(1, 19298128), (2, 9649064), (4, 4824532), (8, 2412266), (16, 1206133), (17, 1135184), (34, 567592), (68, 283796), (136, 141898), (272, 70949)]