19038825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 38455872

約数和(自身を除く): 19417047

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 283, 299, 325, 345, 575, 585, 849, 897, 975, 1035, 1415, 1495, 1725, 2547, 2691, 2925, 3679, 4245, 4485, 5175, 6509, 7075, 7475, 11037, 12735, 13455, 18395, 19527, 21225, 22425, 32545, 33111, 55185, 58581, 63675, 67275, 84617, 91975, 97635, 162725, 165555, 253851, 275925, 292905, 423085, 488175, 761553, 827775, 1269255, 1464525, 2115425, 3807765, 6346275, 19038825]

約数ペア:

[(1, 19038825), (3, 6346275), (5, 3807765), (9, 2115425), (13, 1464525), (15, 1269255), (23, 827775), (25, 761553), (39, 488175), (45, 423085), (65, 292905), (69, 275925), (75, 253851), (115, 165555), (117, 162725), (195, 97635), (207, 91975), (225, 84617), (283, 67275), (299, 63675), (325, 58581), (345, 55185), (575, 33111), (585, 32545), (849, 22425), (897, 21225), (975, 19527), (1035, 18395), (1415, 13455), (1495, 12735), (1725, 11037), (2547, 7475), (2691, 7075), (2925, 6509), (3679, 5175), (4245, 4485)]