18460987556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{3271}}^1$

素因数の和:3505

約数の個数: 96

約数和(自身を含む): 38214865920

約数和(自身を除く): 19753878364

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 157, 172, 209, 314, 418, 473, 628, 817, 836, 946, 1634, 1727, 1892, 2983, 3268, 3271, 3454, 5966, 6542, 6751, 6908, 8987, 11932, 13084, 13502, 17974, 27004, 32813, 35948, 35981, 62149, 65626, 71962, 74261, 124298, 128269, 131252, 140653, 143924, 148522, 248596, 256538, 281306, 297044, 513076, 513547, 562612, 683639, 1027094, 1367278, 1410959, 1547183, 2054188, 2672407, 2734556, 2821918, 3094366, 5344814, 5643836, 5649017, 6188732, 9757393, 10689628, 11298034, 19514786, 22082521, 22596068, 29396477, 39029572, 44165042, 58792954, 88330084, 107331323, 117585908, 214662646, 242907731, 419567899, 429325292, 485815462, 839135798, 971630924, 1678271596, 4615246889, 9230493778, 18460987556]

約数ペア:

[(1, 18460987556), (2, 9230493778), (4, 4615246889), (11, 1678271596), (19, 971630924), (22, 839135798), (38, 485815462), (43, 429325292), (44, 419567899), (76, 242907731), (86, 214662646), (157, 117585908), (172, 107331323), (209, 88330084), (314, 58792954), (418, 44165042), (473, 39029572), (628, 29396477), (817, 22596068), (836, 22082521), (946, 19514786), (1634, 11298034), (1727, 10689628), (1892, 9757393), (2983, 6188732), (3268, 5649017), (3271, 5643836), (3454, 5344814), (5966, 3094366), (6542, 2821918), (6751, 2734556), (6908, 2672407), (8987, 2054188), (11932, 1547183), (13084, 1410959), (13502, 1367278), (17974, 1027094), (27004, 683639), (32813, 562612), (35948, 513547), (35981, 513076), (62149, 297044), (65626, 281306), (71962, 256538), (74261, 248596), (124298, 148522), (128269, 143924), (131252, 140653)]