19004895008

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{258331}}^1$

素因数の和:258382

約数の個数: 72

約数和(自身を含む): 43291276560

約数和(自身を除く): 24286381552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 352, 418, 484, 608, 836, 968, 1672, 1936, 2299, 3344, 3872, 4598, 6688, 9196, 18392, 36784, 73568, 258331, 516662, 1033324, 2066648, 2841641, 4133296, 4908289, 5683282, 8266592, 9816578, 11366564, 19633156, 22733128, 31258051, 39266312, 45466256, 53991179, 62516102, 78532624, 90932512, 107982358, 125032204, 157065248, 215964716, 250064408, 431929432, 500128816, 593902969, 863858864, 1000257632, 1187805938, 1727717728, 2375611876, 4751223752, 9502447504, 19004895008]

約数ペア:

[(1, 19004895008), (2, 9502447504), (4, 4751223752), (8, 2375611876), (11, 1727717728), (16, 1187805938), (19, 1000257632), (22, 863858864), (32, 593902969), (38, 500128816), (44, 431929432), (76, 250064408), (88, 215964716), (121, 157065248), (152, 125032204), (176, 107982358), (209, 90932512), (242, 78532624), (304, 62516102), (352, 53991179), (418, 45466256), (484, 39266312), (608, 31258051), (836, 22733128), (968, 19633156), (1672, 11366564), (1936, 9816578), (2299, 8266592), (3344, 5683282), (3872, 4908289), (4598, 4133296), (6688, 2841641), (9196, 2066648), (18392, 1033324), (36784, 516662), (73568, 258331)]