19380890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 17045350

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 619, 1010, 1238, 3095, 3131, 6190, 6262, 15655, 19189, 31310, 38378, 62519, 95945, 125038, 191890, 312595, 625190, 1938089, 3876178, 9690445, 19380890]

約数ペア:

[(1, 19380890), (2, 9690445), (5, 3876178), (10, 1938089), (31, 625190), (62, 312595), (101, 191890), (155, 125038), (202, 95945), (310, 62519), (505, 38378), (619, 31310), (1010, 19189), (1238, 15655), (3095, 6262), (3131, 6190)]