19253883

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 11389317

約数列:

[1, 3, 11, 29, 31, 33, 59, 87, 93, 121, 177, 319, 341, 363, 649, 899, 957, 1023, 1711, 1829, 1947, 2697, 3509, 3751, 5133, 5487, 7139, 9889, 10527, 11253, 18821, 20119, 21417, 29667, 53041, 56463, 60357, 108779, 159123, 207031, 221309, 326337, 583451, 621093, 663927, 1750353, 6417961, 19253883]

約数ペア:

[(1, 19253883), (3, 6417961), (11, 1750353), (29, 663927), (31, 621093), (33, 583451), (59, 326337), (87, 221309), (93, 207031), (121, 159123), (177, 108779), (319, 60357), (341, 56463), (363, 53041), (649, 29667), (899, 21417), (957, 20119), (1023, 18821), (1711, 11253), (1829, 10527), (1947, 9889), (2697, 7139), (3509, 5487), (3751, 5133)]