17920910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11168

約数の個数: 32

約数和(自身を含む): 38472192

約数和(自身を除く): 20551282

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 11131, 22262, 55655, 77917, 111310, 155834, 256013, 389585, 512026, 779170, 1280065, 1792091, 2560130, 3584182, 8960455, 17920910]

約数ペア:

[(1, 17920910), (2, 8960455), (5, 3584182), (7, 2560130), (10, 1792091), (14, 1280065), (23, 779170), (35, 512026), (46, 389585), (70, 256013), (115, 155834), (161, 111310), (230, 77917), (322, 55655), (805, 22262), (1610, 11131)]