1914880864

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{401}}^1\times {\mathrm{883}}^1$

素因数の和:1320

約数の個数: 72

約数和(自身を含む): 4097037672

約数和(自身を除く): 2182156808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 401, 416, 676, 802, 883, 1352, 1604, 1766, 2704, 3208, 3532, 5213, 5408, 6416, 7064, 10426, 11479, 12832, 14128, 20852, 22958, 28256, 41704, 45916, 67769, 83408, 91832, 135538, 149227, 166816, 183664, 271076, 298454, 354083, 367328, 542152, 596908, 708166, 1084304, 1193816, 1416332, 2168608, 2387632, 2832664, 4603079, 4775264, 5665328, 9206158, 11330656, 18412316, 36824632, 59840027, 73649264, 119680054, 147298528, 239360108, 478720216, 957440432, 1914880864]

約数ペア:

[(1, 1914880864), (2, 957440432), (4, 478720216), (8, 239360108), (13, 147298528), (16, 119680054), (26, 73649264), (32, 59840027), (52, 36824632), (104, 18412316), (169, 11330656), (208, 9206158), (338, 5665328), (401, 4775264), (416, 4603079), (676, 2832664), (802, 2387632), (883, 2168608), (1352, 1416332), (1604, 1193816), (1766, 1084304), (2704, 708166), (3208, 596908), (3532, 542152), (5213, 367328), (5408, 354083), (6416, 298454), (7064, 271076), (10426, 183664), (11479, 166816), (12832, 149227), (14128, 135538), (20852, 91832), (22958, 83408), (28256, 67769), (41704, 45916)]