19486420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 25041980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1549, 2516, 3098, 3145, 6196, 6290, 7745, 12580, 15490, 26333, 30980, 52666, 57313, 105332, 114626, 131665, 229252, 263330, 286565, 526660, 573130, 974321, 1146260, 1948642, 3897284, 4871605, 9743210, 19486420]

約数ペア:

[(1, 19486420), (2, 9743210), (4, 4871605), (5, 3897284), (10, 1948642), (17, 1146260), (20, 974321), (34, 573130), (37, 526660), (68, 286565), (74, 263330), (85, 229252), (148, 131665), (170, 114626), (185, 105332), (340, 57313), (370, 52666), (629, 30980), (740, 26333), (1258, 15490), (1549, 12580), (2516, 7745), (3098, 6290), (3145, 6196)]