19542090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21013}}^1$

素因数の和:21054

約数の個数: 32

約数和(自身を含む): 48416256

約数和(自身を除く): 28874166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21013, 42026, 63039, 105065, 126078, 210130, 315195, 630390, 651403, 1302806, 1954209, 3257015, 3908418, 6514030, 9771045, 19542090]

約数ペア:

[(1, 19542090), (2, 9771045), (3, 6514030), (5, 3908418), (6, 3257015), (10, 1954209), (15, 1302806), (30, 651403), (31, 630390), (62, 315195), (93, 210130), (155, 126078), (186, 105065), (310, 63039), (465, 42026), (930, 21013)]