19890130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153001}}^1$

素因数の和:153021

約数の個数: 16

約数和(自身を含む): 38556504

約数和(自身を除く): 18666374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153001, 306002, 765005, 1530010, 1989013, 3978026, 9945065, 19890130]

約数ペア:

[(1, 19890130), (2, 9945065), (5, 3978026), (10, 1989013), (13, 1530010), (26, 765005), (65, 306002), (130, 153001)]