19219928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 46992960

約数和(自身を除く): 27773032

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1553, 1768, 3094, 3106, 6188, 6212, 10871, 12376, 12424, 20189, 21742, 26401, 40378, 43484, 52802, 80756, 86968, 105604, 141323, 161512, 184807, 211208, 282646, 343213, 369614, 565292, 686426, 739228, 1130584, 1372852, 1478456, 2402491, 2745704, 4804982, 9609964, 19219928]

約数ペア:

[(1, 19219928), (2, 9609964), (4, 4804982), (7, 2745704), (8, 2402491), (13, 1478456), (14, 1372852), (17, 1130584), (26, 739228), (28, 686426), (34, 565292), (52, 369614), (56, 343213), (68, 282646), (91, 211208), (104, 184807), (119, 161512), (136, 141323), (182, 105604), (221, 86968), (238, 80756), (364, 52802), (442, 43484), (476, 40378), (728, 26401), (884, 21742), (952, 20189), (1547, 12424), (1553, 12376), (1768, 10871), (3094, 6212), (3106, 6188)]