19156929428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^2\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 41983637472

約数和(自身を除く): 22826708044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 169, 182, 251, 254, 338, 364, 502, 508, 676, 889, 1004, 1183, 1651, 1757, 1778, 2366, 3263, 3302, 3514, 3556, 4732, 6526, 6604, 7028, 11557, 13052, 16129, 21463, 22841, 23114, 31877, 32258, 42419, 42926, 45682, 46228, 63754, 64516, 84838, 85852, 91364, 112903, 127508, 150241, 169676, 209677, 223139, 225806, 296933, 300482, 414401, 419354, 446278, 451612, 593866, 600964, 828802, 838708, 892556, 1187732, 1467739, 1657604, 2725801, 2900807, 2935478, 4048379, 5387213, 5451602, 5801614, 5870956, 8096758, 10774426, 10903204, 11603228, 16193516, 19080607, 21548852, 28338653, 37710491, 38161214, 52628927, 56677306, 75420982, 76322428, 105257854, 113354612, 150841964, 210515708, 368402489, 684176051, 736804978, 1368352102, 1473609956, 2736704204, 4789232357, 9578464714, 19156929428]

約数ペア:

[(1, 19156929428), (2, 9578464714), (4, 4789232357), (7, 2736704204), (13, 1473609956), (14, 1368352102), (26, 736804978), (28, 684176051), (52, 368402489), (91, 210515708), (127, 150841964), (169, 113354612), (182, 105257854), (251, 76322428), (254, 75420982), (338, 56677306), (364, 52628927), (502, 38161214), (508, 37710491), (676, 28338653), (889, 21548852), (1004, 19080607), (1183, 16193516), (1651, 11603228), (1757, 10903204), (1778, 10774426), (2366, 8096758), (3263, 5870956), (3302, 5801614), (3514, 5451602), (3556, 5387213), (4732, 4048379), (6526, 2935478), (6604, 2900807), (7028, 2725801), (11557, 1657604), (13052, 1467739), (16129, 1187732), (21463, 892556), (22841, 838708), (23114, 828802), (31877, 600964), (32258, 593866), (42419, 451612), (42926, 446278), (45682, 419354), (46228, 414401), (63754, 300482), (64516, 296933), (84838, 225806), (85852, 223139), (91364, 209677), (112903, 169676), (127508, 150241)]