19119728164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 36362390400

約数和(自身を除く): 17242662236

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 199, 212, 398, 503, 796, 901, 1006, 1802, 2012, 2809, 3383, 3604, 5618, 6766, 8551, 10547, 11236, 13532, 17102, 21094, 26659, 34204, 42188, 47753, 53318, 95506, 100097, 106636, 179299, 191012, 200194, 358598, 400388, 453203, 558991, 717196, 906406, 1117982, 1412927, 1701649, 1812812, 2235964, 2825854, 3403298, 5305141, 5651708, 6806596, 9502847, 10610282, 19005694, 21220564, 24019759, 38011388, 48039518, 90187397, 96079036, 180374794, 281172473, 360749588, 562344946, 1124689892, 4779932041, 9559864082, 19119728164]

約数ペア:

[(1, 19119728164), (2, 9559864082), (4, 4779932041), (17, 1124689892), (34, 562344946), (53, 360749588), (68, 281172473), (106, 180374794), (199, 96079036), (212, 90187397), (398, 48039518), (503, 38011388), (796, 24019759), (901, 21220564), (1006, 19005694), (1802, 10610282), (2012, 9502847), (2809, 6806596), (3383, 5651708), (3604, 5305141), (5618, 3403298), (6766, 2825854), (8551, 2235964), (10547, 1812812), (11236, 1701649), (13532, 1412927), (17102, 1117982), (21094, 906406), (26659, 717196), (34204, 558991), (42188, 453203), (47753, 400388), (53318, 358598), (95506, 200194), (100097, 191012), (106636, 179299)]