19364150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 40080768

約数和(自身を除く): 20716618

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 961, 1550, 1922, 2015, 4030, 4805, 9610, 10075, 12493, 20150, 24025, 24986, 29791, 48050, 59582, 62465, 124930, 148955, 297910, 312325, 387283, 624650, 744775, 774566, 1489550, 1936415, 3872830, 9682075, 19364150]

約数ペア:

[(1, 19364150), (2, 9682075), (5, 3872830), (10, 1936415), (13, 1489550), (25, 774566), (26, 744775), (31, 624650), (50, 387283), (62, 312325), (65, 297910), (130, 148955), (155, 124930), (310, 62465), (325, 59582), (403, 48050), (650, 29791), (775, 24986), (806, 24025), (961, 20150), (1550, 12493), (1922, 10075), (2015, 9610), (4030, 4805)]