19565208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20928

約数の個数: 48

約数和(自身を含む): 57067920

約数和(自身を除く): 37502712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20903, 41806, 62709, 83612, 125418, 167224, 188127, 250836, 271739, 376254, 501672, 543478, 752508, 815217, 1086956, 1505016, 1630434, 2173912, 2445651, 3260868, 4891302, 6521736, 9782604, 19565208]

約数ペア:

[(1, 19565208), (2, 9782604), (3, 6521736), (4, 4891302), (6, 3260868), (8, 2445651), (9, 2173912), (12, 1630434), (13, 1505016), (18, 1086956), (24, 815217), (26, 752508), (36, 543478), (39, 501672), (52, 376254), (72, 271739), (78, 250836), (104, 188127), (117, 167224), (156, 125418), (234, 83612), (312, 62709), (468, 41806), (936, 20903)]